45 lines
886 B
C
45 lines
886 B
C
#include "vocal.h"
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char* getline (FILE *fp) {
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char ch = 0;
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char *line = NULL;
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unsigned int size=0;
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while (ch!='\n' && ch!='\r' && !feof(fp)) {
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ch = fgetc(fp);
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line = (char*) realloc(line, ++size);
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line[size-1]=ch;
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}
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if (size)
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line[size]=0;
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if (line[size-1] == '\n' || line[size-1] == '\r')
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line[size-1]=0;
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return line;
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}
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char** preg_match (char *regex, char* s, int *size) {
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char **match = NULL;
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regex_t re;
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regmatch_t off;
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*size=0;
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if (regcomp(&re,regex,REG_EXTENDED)!=0)
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return match;
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for (; !regexec(&re, s, 1, &off, 0); s += off.rm_eo) {
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match = (char**) realloc(match, (++(*size))*sizeof(char*));
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match[*size-1] = (char*) malloc(BUFSIZ);
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memset (match[*size-1], 0x0, BUFSIZ);
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memcpy (match[*size-1], s + off.rm_so, off.rm_eo - off.rm_so);
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}
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regfree(&re);
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return match;
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}
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double ABS (double x) { return (x >= 0) ? x : -x; }
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