author | Mikael Berthe <mikael@lilotux.net> |
Sat, 30 Sep 2006 22:42:32 +0200 | |
changeset 974 | 36f7753dfb59 |
parent 952 | 527d6f234924 |
child 977 | 5b01de4ac5e1 |
permissions | -rw-r--r-- |
241 | 1 |
/* |
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* utils.c -- Various utility functions |
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* |
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* Copyright (C) 2005, 2006 Mikael Berthe <bmikael@lists.lilotux.net> |
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* ut_* functions are derived from Cabber debug/log code. |
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* from_iso8601() comes from the Gaim project. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or (at |
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* your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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||
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdarg.h> |
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/* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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#ifdef __CYGWIN__ |
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# define timezonevar |
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extern long timezone; |
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#endif |
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#include <time.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <ctype.h> |
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#include <glib.h> |
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#include <config.h> |
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#include "logprint.h" |
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static int DebugEnabled; |
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static char *FName; |
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void ut_InitDebug(int level, const char *filename) |
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{ |
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FILE *fp; |
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struct stat buf; |
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int err; |
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if (level < 1) { |
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DebugEnabled = 0; |
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FName = NULL; |
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return; |
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} |
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if (filename) |
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FName = g_strdup(filename); |
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else { |
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FName = getenv("HOME"); |
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if (!FName) |
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FName = "/tmp/mcabberlog"; |
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else { |
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char *tmpname = g_new(char, strlen(FName) + 12); |
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strcpy(tmpname, FName); |
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strcat(tmpname, "/mcabberlog"); |
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FName = tmpname; |
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} |
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} |
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DebugEnabled = level; |
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fp = fopen(FName, "a"); |
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if (!fp) { |
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fprintf(stderr, "ERROR: Cannot open tracelog file\n"); |
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return; |
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} |
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err = fstat(fileno(fp), &buf); |
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if (err || buf.st_uid != geteuid()) { |
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fclose(fp); |
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DebugEnabled = 0; |
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FName = NULL; |
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if (err) { |
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fprintf(stderr, "ERROR: cannot stat the tracelog file!\n"); |
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} else { |
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fprintf(stderr, "ERROR: tracelog file does not belong to you!\n"); |
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} |
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return; |
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} |
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fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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fprintf(fp, "New trace log started.\n" |
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"----------------------\n"); |
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fclose(fp); |
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} |
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void ut_WriteLog(unsigned int flag, const char *data) |
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{ |
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if (!DebugEnabled || !FName) return; |
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if (((DebugEnabled == 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
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((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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FILE *fp = fopen(FName, "a+"); |
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if (!fp) { |
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scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file"); |
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return; |
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} |
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fputs(data, fp); |
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fclose(fp); |
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} |
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} |
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||
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// checkset_perm(name, setmode) |
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// Check the permissions of the "name" file/dir |
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// If setmode is true, correct the permissions if they are wrong |
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// Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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int checkset_perm(const char *name, unsigned int setmode) |
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{ |
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int fd; |
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struct stat buf; |
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#ifdef __CYGWIN__ |
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// Permission checking isn't efficent on Cygwin |
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return 0; |
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#endif |
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fd = lstat(name, &buf); |
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if (fd == -1) return -1; |
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|
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if (buf.st_uid != geteuid()) { |
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scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
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return 1; |
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} |
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|
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if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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if (setmode) { |
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141 |
mode_t newmode = 0; |
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scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
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if (S_ISDIR(buf.st_mode)) |
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newmode |= S_IXUSR; |
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newmode |= S_IRUSR | S_IWUSR; |
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if (chmod(name, newmode)) { |
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scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
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return 1; |
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149 |
} |
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scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
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151 |
} else { |
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152 |
scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
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return 1; |
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154 |
} |
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155 |
} |
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156 |
|
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157 |
return 0; |
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158 |
} |
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159 |
|
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160 |
const char *ut_get_tmpdir(void) |
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161 |
{ |
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162 |
static const char *tmpdir; |
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163 |
const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 164 |
unsigned int i; |
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165 |
|
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166 |
if (tmpdir) |
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167 |
return tmpdir; |
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168 |
|
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for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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tmpdir = getenv(tmpvars[i]); |
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if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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// Looks ok. |
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return tmpdir; |
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174 |
} |
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175 |
} |
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176 |
|
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// Default temporary directory |
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tmpdir = "/tmp"; |
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return tmpdir; |
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180 |
} |
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181 |
|
241 | 182 |
// to_iso8601(dststr, timestamp) |
183 |
// Convert timestamp to iso8601 format, and store it in dststr. |
|
184 |
// NOTE: dststr should be at last 19 chars long. |
|
185 |
// Return should be 0 |
|
186 |
int to_iso8601(char *dststr, time_t timestamp) |
|
187 |
{ |
|
188 |
struct tm *tm_time; |
|
189 |
int ret; |
|
190 |
||
191 |
tm_time = gmtime(×tamp); |
|
192 |
||
193 |
ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", |
|
194 |
1900+tm_time->tm_year, tm_time->tm_mon+1, tm_time->tm_mday, |
|
195 |
tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
|
196 |
||
197 |
return ((ret == -1) ? -1 : 0); |
|
198 |
} |
|
199 |
||
200 |
// from_iso8601(timestamp, utc) |
|
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201 |
// This function came from the Gaim project, gaim_str_to_time(). |
241 | 202 |
// (Actually date may not be pure iso-8601) |
203 |
// Thanks, guys! |
|
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// ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 205 |
time_t from_iso8601(const char *timestamp, int utc) |
206 |
{ |
|
207 |
struct tm t; |
|
208 |
time_t retval = 0; |
|
209 |
char buf[32]; |
|
210 |
char *c; |
|
211 |
int tzoff = 0; |
|
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212 |
int hms_succ = 0; |
241 | 213 |
|
214 |
time(&retval); |
|
215 |
localtime_r(&retval, &t); |
|
216 |
||
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/* Reset time to midnight (00:00:00) */ |
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t.tm_hour = t.tm_min = t.tm_sec = 0; |
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219 |
|
241 | 220 |
snprintf(buf, sizeof(buf), "%s", timestamp); |
221 |
c = buf; |
|
222 |
||
223 |
/* 4 digit year */ |
|
224 |
if (!sscanf(c, "%04d", &t.tm_year)) return 0; |
|
225 |
c+=4; |
|
226 |
if (*c == '-') |
|
227 |
c++; |
|
228 |
||
229 |
t.tm_year -= 1900; |
|
230 |
||
231 |
/* 2 digit month */ |
|
232 |
if (!sscanf(c, "%02d", &t.tm_mon)) return 0; |
|
233 |
c+=2; |
|
234 |
if (*c == '-') |
|
235 |
c++; |
|
236 |
||
237 |
t.tm_mon -= 1; |
|
238 |
||
239 |
/* 2 digit day */ |
|
240 |
if (!sscanf(c, "%02d", &t.tm_mday)) return 0; |
|
241 |
c+=2; |
|
242 |
if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ |
|
243 |
c++; /* skip the "T" */ |
|
244 |
||
245 |
/* 2 digit hour */ |
|
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246 |
if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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247 |
{ |
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248 |
hms_succ = 1; |
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249 |
c += 8; |
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250 |
} |
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251 |
else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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252 |
{ |
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253 |
hms_succ = 1; |
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254 |
c += 6; |
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255 |
} |
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|
256 |
|
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257 |
if (hms_succ) { |
241 | 258 |
int tzhrs, tzmins; |
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|
259 |
|
241 | 260 |
if (*c == '.') /* dealing with precision we don't care about */ |
261 |
c += 4; |
|
262 |
||
263 |
if ((*c == '+' || *c == '-') && |
|
264 |
sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { |
|
265 |
tzoff = tzhrs*60*60 + tzmins*60; |
|
266 |
if (*c == '+') |
|
267 |
tzoff *= -1; |
|
268 |
} |
|
269 |
||
270 |
if (tzoff || utc) { |
|
802
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271 |
#ifdef HAVE_TM_GMTOFF |
241 | 272 |
tzoff += t.tm_gmtoff; |
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273 |
#else |
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|
274 |
# ifdef HAVE_TIMEZONE |
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275 |
tzset(); /* making sure */ |
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276 |
tzoff -= timezone; |
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277 |
# endif |
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278 |
#endif |
241 | 279 |
} |
280 |
} |
|
281 |
} |
|
282 |
||
283 |
t.tm_isdst = -1; |
|
284 |
||
285 |
retval = mktime(&t); |
|
286 |
||
287 |
retval += tzoff; |
|
288 |
||
289 |
return retval; |
|
290 |
} |
|
419 | 291 |
|
292 |
// Should only be used for delays < 1s |
|
293 |
inline void safe_usleep(unsigned int usec) |
|
294 |
{ |
|
295 |
struct timespec req; |
|
296 |
req.tv_sec = 0; |
|
297 |
req.tv_nsec = (long)usec * 1000L; |
|
298 |
nanosleep(&req, NULL); |
|
299 |
} |
|
452 | 300 |
|
301 |
/** |
|
302 |
* Derived from libjabber/jid.c, because the libjabber version is not |
|
303 |
* really convenient for our usage. |
|
304 |
* |
|
305 |
* Check if the full JID is valid |
|
306 |
* Return 0 if it is valid, non zero otherwise |
|
307 |
*/ |
|
308 |
int check_jid_syntax(char *jid) |
|
309 |
{ |
|
310 |
char *str; |
|
311 |
char *domain, *resource; |
|
312 |
int domlen; |
|
313 |
||
314 |
if (!jid) return 1; |
|
315 |
||
316 |
domain = strchr(jid, '@'); |
|
317 |
||
456
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|
318 |
/* the username is optional */ |
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|
319 |
if (!domain) { |
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diff
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|
320 |
domain = jid; |
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diff
changeset
|
321 |
} else { |
471c9ccde028
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diff
changeset
|
322 |
/* node identifiers may not be longer than 1023 bytes */ |
471c9ccde028
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|
323 |
if ((domain == jid) || (domain-jid > 1023)) |
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diff
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|
324 |
return 1; |
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Make username optional in check_jid_syntax()
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diff
changeset
|
325 |
domain++; |
452 | 326 |
|
456
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diff
changeset
|
327 |
/* check for low and invalid ascii characters in the username */ |
471c9ccde028
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452
diff
changeset
|
328 |
for (str = jid; *str != '@'; str++) { |
471c9ccde028
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diff
changeset
|
329 |
if (*str <= 32 || *str == ':' || *str == '@' || |
471c9ccde028
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diff
changeset
|
330 |
*str == '<' || *str == '>' || *str == '\'' || |
471c9ccde028
Make username optional in check_jid_syntax()
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diff
changeset
|
331 |
*str == '"' || *str == '&') { |
471c9ccde028
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diff
changeset
|
332 |
return 1; |
471c9ccde028
Make username optional in check_jid_syntax()
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452
diff
changeset
|
333 |
} |
452 | 334 |
} |
456
471c9ccde028
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452
diff
changeset
|
335 |
/* the username is okay as far as we can tell without LIBIDN */ |
452 | 336 |
} |
337 |
||
338 |
resource = strchr(domain, '/'); |
|
339 |
||
340 |
/* the resource is optional */ |
|
341 |
if (resource) { |
|
342 |
domlen = resource - domain; |
|
343 |
resource++; |
|
344 |
/* resources may not be longer than 1023 bytes */ |
|
345 |
if ((*resource == '\0') || strlen(resource) > 1023) |
|
346 |
return 1; |
|
347 |
} else { |
|
348 |
domlen = strlen(domain); |
|
349 |
} |
|
350 |
||
351 |
/* there must be a domain identifier */ |
|
352 |
if (domlen == 0) return 1; |
|
353 |
||
354 |
/* and it must not be longer than 1023 bytes */ |
|
355 |
if (domlen > 1023) return 1; |
|
356 |
||
357 |
/* make sure the hostname is valid characters */ |
|
358 |
for (str = domain; *str != '\0' && *str != '/'; str++) { |
|
359 |
if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
|
360 |
return 1; |
|
361 |
} |
|
362 |
||
363 |
/* it's okay as far as we can tell without LIBIDN */ |
|
364 |
return 0; |
|
365 |
} |
|
366 |
||
551
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changeset
|
367 |
|
452 | 368 |
void mc_strtolower(char *str) |
369 |
{ |
|
370 |
if (!str) return; |
|
371 |
for ( ; *str; str++) |
|
372 |
*str = tolower(*str); |
|
373 |
} |
|
551
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changeset
|
374 |
|
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changeset
|
375 |
// strip_arg_special_chars(string) |
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changeset
|
376 |
// Remove quotes and backslashes before an escaped quote |
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diff
changeset
|
377 |
// Only quotes need a backslash |
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changeset
|
378 |
// Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
554
2424bbf0a6db
Some more work on do_room()
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parents:
553
diff
changeset
|
379 |
void strip_arg_special_chars(char *s) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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changeset
|
380 |
{ |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
381 |
int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
382 |
int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
383 |
char *p; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
384 |
|
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Add split_arg() / free_arg_lst()
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diff
changeset
|
385 |
for (p = s; *p; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
386 |
if (*p == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
387 |
if (!escape) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
388 |
instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
389 |
strcpy(p, p+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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524
diff
changeset
|
390 |
p--; |
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Add split_arg() / free_arg_lst()
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524
diff
changeset
|
391 |
} else { |
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Add split_arg() / free_arg_lst()
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524
diff
changeset
|
392 |
escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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diff
changeset
|
393 |
} |
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Add split_arg() / free_arg_lst()
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diff
changeset
|
394 |
} else if (*p == '\\') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
395 |
if (!escape) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
396 |
if (*(p+1) == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
397 |
strcpy(p, p+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
398 |
p--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
399 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
400 |
escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
401 |
} else { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
402 |
escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
403 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
404 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
405 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
406 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
407 |
|
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
408 |
// split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
409 |
// Split the string arg into a maximum of n pieces, taking care of |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
410 |
// double quotes. |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
411 |
// Return a null-terminated array of strings. This array should be freed |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
412 |
// be the caller after use, for example with free_arg_lst(). |
559
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
413 |
// If dontstriplast is true, the Nth argument isn't stripped (i.e. no |
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
414 |
// processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
415 |
char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
416 |
{ |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
417 |
char **arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
418 |
const char *p, *start, *end; |
735 | 419 |
unsigned int i = 0; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
420 |
int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
421 |
int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
422 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
423 |
arglst = g_new0(char*, n+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
424 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
425 |
if (!arg || !n) return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
426 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
427 |
// Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
428 |
for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
429 |
// End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
430 |
for (end = start; *end; end++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
431 |
// Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
432 |
while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
433 |
end--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
434 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
435 |
for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
436 |
if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
437 |
instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
438 |
if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
439 |
escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
440 |
else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
441 |
escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
442 |
if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
443 |
// end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
444 |
*(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
445 |
strip_arg_special_chars(*(arglst+i)); |
556 | 446 |
for (start = p+1; *start && *start == ' '; start++) ; |
911 | 447 |
p = start; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
448 |
i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
449 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
450 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
451 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
452 |
if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
453 |
*(arglst+i) = g_strndup(start, end-start); |
559
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
454 |
if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
455 |
strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
456 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
457 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
458 |
return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
459 |
} |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
460 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
461 |
// free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
462 |
// Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
463 |
void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
464 |
{ |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
465 |
char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
466 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
467 |
for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
468 |
g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
469 |
g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
470 |
} |
576 | 471 |
|
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
472 |
// replace_nl_with_dots(bufstr) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
473 |
// Replace '\n' with "(...)" (or with a NUL if the string is too short) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
474 |
void replace_nl_with_dots(char *bufstr) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
475 |
{ |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
476 |
char *p = strchr(bufstr, '\n'); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
477 |
if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
478 |
if (strlen(p) >= 5) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
479 |
strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
480 |
else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
481 |
*p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
482 |
} |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
483 |
} |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
484 |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
485 |
// ut_expand_tabs(text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
486 |
// Expand tabs in string text. |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
487 |
// If there is no tab in the string, a pointer to text is returned (be |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
488 |
// careful _not_ to free the pointer in this case). |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
489 |
// If there are some tabs, a new string with expanded chars is returned; this |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
490 |
// is up to the caller to free this string after use. |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
491 |
char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
492 |
{ |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
493 |
char *xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
494 |
char *p, *q; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
495 |
guint8 n=0; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
496 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
497 |
xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
498 |
for (p=xtext; *p; p++) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
499 |
if (*p == '\t') n++; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
500 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
501 |
if (!n) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
502 |
return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
503 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
504 |
xtext = g_new(char, strlen(text) + 1 + 8*n); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
505 |
p = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
506 |
q = xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
507 |
do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
508 |
if (*p == '\t') { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
509 |
do { *q++ = ' '; } while ((q-xtext)%8); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
510 |
} else { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
511 |
*q++ = *p; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
512 |
} |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
513 |
} while (*p++); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
514 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
515 |
return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
516 |
} |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
517 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
518 |
|
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
519 |
/* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
520 |
/* The author of the code before the endif is |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
521 |
* Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
522 |
* and this code is reusable in compliance with the GPL v2. -- somian */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
523 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
524 |
#if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
525 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
526 |
# define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
527 |
# define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
528 |
# define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
529 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
530 |
/* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
531 |
# define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
532 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
533 |
static unsigned char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
534 |
__boyer_moore (const unsigned char *haystack, size_t haystacklen, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
535 |
const unsigned char *needle, size_t needlelen, int icase) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
536 |
{ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
537 |
register unsigned char *hc_ptr, *nc_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
538 |
unsigned char *he_ptr, *ne_ptr, *h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
539 |
size_t skiptable[256], n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
540 |
register int i; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
541 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
542 |
#ifdef BOYER_MOORE_CHECKS |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
543 |
/* we don't need to do these checks since memmem/strstr/etc do it already */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
544 |
/* if the haystack is shorter than the needle then we can't possibly match */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
545 |
if (haystacklen < needlelen) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
546 |
return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
547 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
548 |
/* instant match if the pattern buffer is 0-length */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
549 |
if (needlelen == 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
550 |
return (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
551 |
#endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
552 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
553 |
/* set a pointer at the end of each string */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
554 |
ne_ptr = (unsigned char *) needle + needlelen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
555 |
he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
556 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
557 |
/* create our skip table */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
558 |
for (i = 0; i < 256; i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
559 |
skiptable[i] = needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
560 |
for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
561 |
skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
562 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
563 |
h_ptr = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
564 |
while (haystacklen >= needlelen) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
565 |
hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
566 |
nc_ptr = ne_ptr; /* set the needle compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
567 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
568 |
/* work our way backwards till they don't match */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
569 |
for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
570 |
if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
571 |
break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
572 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
573 |
if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
574 |
n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
575 |
if (n == needlelen && i) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
576 |
if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
577 |
n--; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
578 |
h_ptr += n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
579 |
haystacklen -= n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
580 |
} else |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
581 |
return (unsigned char *) h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
582 |
} |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
583 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
584 |
return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
585 |
} |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
586 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
587 |
/* |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
588 |
* strcasestr: |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
589 |
* @haystack: string to search |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
590 |
* @needle: substring to search for |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
591 |
* |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
592 |
* Finds the first occurence of the substring @needle within the |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
593 |
* string @haystack ignoring case. |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
594 |
* |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
595 |
* Returns a pointer to the beginning of the substring match within |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
596 |
* @haystack, or NULL if the substring is not found. |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
597 |
**/ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
598 |
char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
599 |
strcasestr (const char *haystack, const char *needle) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
600 |
{ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
601 |
register unsigned char *h, *n, *hc, *nc; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
602 |
size_t needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
603 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
604 |
needlelen = strlen (needle); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
605 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
606 |
if (needlelen == 0) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
607 |
return (char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
608 |
} else if (bm_optimal (0, needlelen)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
609 |
return (char *) __boyer_moore ((const unsigned char *) haystack, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
610 |
strlen (haystack), |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
611 |
(const unsigned char *) needle, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
612 |
needlelen, 1); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
613 |
} |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
614 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
615 |
h = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
616 |
n = (unsigned char *) needle; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
617 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
618 |
while (*(h + needlelen - 1)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
619 |
if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
620 |
for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
621 |
if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
622 |
break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
623 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
624 |
if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
625 |
return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
626 |
} |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
627 |
h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
628 |
} |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
629 |
return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
630 |
} |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
631 |
#endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
632 |
|
580 | 633 |
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