Voxifera/utils.c
2009-05-24 17:25:50 +02:00

61 lines
2.1 KiB
C

/***************************************************************************
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "vocal.h"
char* getline (FILE *fp) {
char ch = 0;
char *line = NULL;
unsigned int size=0;
while (ch!='\n' && ch!='\r' && !feof(fp)) {
ch = fgetc(fp);
line = (char*) realloc(line, ++size);
line[size-1]=ch;
}
if (size)
line[size]=0;
if (line[size-1] == '\n' || line[size-1] == '\r')
line[size-1]=0;
return line;
}
char** preg_match (char *regex, char* s, int *size) {
char **match = NULL;
regex_t re;
regmatch_t off;
*size=0;
if (regcomp(&re,regex,REG_EXTENDED)!=0)
return match;
for (; !regexec(&re, s, 1, &off, 0); s += off.rm_eo) {
match = (char**) realloc(match, (++(*size))*sizeof(char*));
match[*size-1] = (char*) malloc(BUFSIZ);
memset (match[*size-1], 0x0, BUFSIZ);
memcpy (match[*size-1], s + off.rm_so, off.rm_eo - off.rm_so);
}
regfree(&re);
return match;
}
double ABS (double x) { return (x >= 0) ? x : -x; }