#include <stdio.h>#include <stdlib.h>#include <sys/stat.h> #include "util.h" /* read file named FILENAME into an array of *len bytes, returning NULL on error */uint8_t *readfile(const char *filename, size_t *len){ *len = 0; struct stat st; if (0 != stat(filename, &st)) return NULL; *len = st.st_size; FILE *f = fopen(filename, "r"); if (!f) return NULL; uint8_t *s = (uint8_t *) malloc(sizeof(uint8_t) * *len); if (!s) return NULL; if (fread(s, 1, *len, f) != *len) { free(s); s = NULL; } fclose(f); return s;} mytime gettime(void) { mytime t; gettimeofday(&t, NULL); return t;} /* time difference in seconds */double elapsed(mytime t1, mytime t0){ return (double)(t1.tv_sec - t0.tv_sec) + (double)(t1.tv_usec - t0.tv_usec) * 1.0E-6;}
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "util.h"
/* read file named FILENAME into an array of *len bytes,
returning NULL on error */
uint8_t *readfile(const char *filename, size_t *len)
{
*len = 0;
struct stat st;
if (0 != stat(filename, &st)) return NULL;
*len = st.st_size;
FILE *f = fopen(filename, "r");
if (!f) return NULL;
uint8_t *s = (uint8_t *) malloc(sizeof(uint8_t) * *len);
if (!s) return NULL;
if (fread(s, 1, *len, f) != *len) {
free(s);
s = NULL;
}
fclose(f);
return s;
}
mytime gettime(void) {
mytime t;
gettimeofday(&t, NULL);
return t;
}
/* time difference in seconds */
double elapsed(mytime t1, mytime t0)
{
return (double)(t1.tv_sec - t0.tv_sec) +
(double)(t1.tv_usec - t0.tv_usec) * 1.0E-6;
}