minrss/util.c
2021-08-02 11:41:15 -04:00

85 lines
1.2 KiB
C

#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "config.h"
void
logMsg(int lvl, char *msg, ...)
{
va_list args;
va_start(args, msg);
if (lvl <= logLevel)
vfprintf(stderr, msg, args);
va_end(args);
if (!lvl)
exit(1);
}
void *
ecalloc(size_t nmemb, size_t size)
{
void *p = calloc(nmemb, size);
if (!p)
logMsg(0, "Error allocating memory.\n");
return p;
}
void *
erealloc(void *p, size_t size)
{
p = realloc(p, size);
if (!p)
logMsg(0, "Error reallocating memory.\n");
return p;
}
char *
san(char *str, int rep)
{
if (!str)
return "";
if (!rep)
return str;
unsigned long long int len = strlen(str);
unsigned long long int offset = 0;
char *dup = ecalloc(len + 1, sizeof(char));
strcpy(dup, str);
for (unsigned long long int i = 0; i < len; i++) {
if ((dup[i] >= 'a' && dup[i] <= 'z') ||
(dup[i] >= 'A' && dup[i] <= 'Z') ||
(dup[i] >= '0' && dup[i] <= '9') ||
dup[i] == '-' || dup[i] == '_')
dup[i - offset] = dup[i];
else if (dup[i] == ' ')
dup[i - offset] = '_';
else
offset++;
}
dup[len-offset] = '\0';
return dup;
}
char fsep()
{
#ifdef _WIN32
return '\\';
#else
return '/';
#endif
}