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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "util.h"
#include "debug.h" /* Probably shouldn't have debug in utils */
char *
s_cpy(const char *str)
{
if (str == NULL)
return NULL;
char *ret = malloc(strlen(str) + 1);
if (ret == NULL)
error("Not enough memory\n");
strcpy(ret, str);
return ret;
}
char *
s_con(const char *str, ...)
{
size_t len;
va_list args;
const char *ar;
char *ret, *p;
len = strlen(str) + 1;
va_start(args, str);
while (ar = va_arg(args, const char*))
len += strlen(ar);
va_end(args);
ret = malloc(len);
if (ret == NULL)
error("Not enough memory\n");
p = stpcpy(ret, str);
va_start(args, str);
while (ar = va_arg(args, const char*))
p = stpcpy(p, ar);
va_end(args);
return ret;
}
char *
f_read(const char *path)
{
FILE *f;
char *buf;
long bsize;
buf = NULL;
if ((f = fopen(path, "r")) == NULL)
goto fread_deffer;
if (fseek(f, 0L, SEEK_END))
goto fread_deffer;
if ((bsize = ftell(f)) == -1)
goto fread_deffer;
buf = calloc(sizeof(*buf), bsize + 1);
if (buf == NULL)
goto fread_deffer;
if (fseek(f, 0L, SEEK_SET))
goto fread_deffer;
bsize = (long) fread(buf, sizeof(*buf), bsize, f);
if (ferror(f) != 0)
goto fread_deffer;
buf[bsize] = '\0';
fclose(f);
return buf;
fread_deffer:
if (f)
fclose(f);
if (buf)
free(buf);
return NULL;
}
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