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/* See LICENSE file for copyright and license details. */
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <regex.h>
#include "util.h"
void
die(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
fputc(' ', stderr);
perror(NULL);
} else {
fputc('\n', stderr);
}
exit(1);
}
void *
ecalloc(size_t nmemb, size_t size)
{
void *p;
if (!(p = calloc(nmemb, size)))
die("calloc:");
return p;
}
int
reMatch(const char *regex, const char *str) {
char reErr[1024] = {0};
regex_t *re = calloc(1, sizeof(regex_t));
int rc = 0;
if (!re)
return -1;
rc = regcomp(re, regex, REG_EXTENDED|REG_ICASE|REG_NOSUB);
if (rc != 0) {
regerror(rc, re, reErr, 1024);
regfree(re); re = NULL;
fprintf(stderr, "Regex compile err: %s %s\n", regex, reErr);
return -1;
}
rc = regexec(re, str, 0, NULL, 0);
regfree(re); re = NULL;
if (rc != 0) {
regerror(rc, re, reErr, 1024);
fprintf(stderr, "Regex match error: %s -> %s : %s\n",
regex, str, reErr);
return -1;
}
return rc;
}
int
readEnv(FILE *fh)
{
int ret;
char *name = alloca(1024*sizeof(char)), *value = alloca(8192*sizeof(char));
while (1) {
if ((ret = fscanf(fh, "%1023[^=]=%8191[^\n]\n", name, value)) == EOF)
break;
else if (ret == 0)
break;
fprintf(stderr, "Setting: '%s' = '%s'\n", name, value);
setenv(name, value, 1);
}
return 0;
}
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