SDR (Software Defined Radio) » OsmoSDR

#include <stdio.h>

#include <errno.h>

#include <string.h>

#include <time.h>

#include <sys/stat.h>

#include "utils.h"

#ifdef WINDOWS

#include <windows.h>

uint64_t getTickCount()

{

	return GetTickCount();

}

#else // WINDOWS

uint64_t getTickCount()

{

	struct timespec t;

	if(clock_gettime(CLOCK_MONOTONIC, &t) != 0)

		return 0;

	return (((uint64_t)t.tv_sec) * 1000) + (((uint64_t)t.tv_nsec) / 1000000);

}

#endif

void* loadFile(const char* filename, size_t* size)

{

	void* result = NULL;

	struct stat statbuf;

	FILE* f = NULL;

	if(stat(filename, &statbuf) < 0) {

		fprintf(stderr, "could not stat() file %s: %s\n", filename, strerror(errno));

		goto failed;

	}

	if((result = calloc(1, statbuf.st_size)) == NULL) {

#ifdef WINDOWS

		fprintf(stderr, "failed to allocate %u bytes of memory\n", (size_t)statbuf.st_size);

#else

		fprintf(stderr, "failed to allocate %zu bytes of memory\n", (size_t)statbuf.st_size);

#endif

		goto failed;

	}

	if((f = fopen(filename, "rb")) == NULL) {

		fprintf(stderr, "failed to open %s: %s\n", filename, strerror(errno));

		goto failed;

	}

	if(fread(result, 1, statbuf.st_size, f) != statbuf.st_size) {

		fprintf(stderr, "could not read all bytes: %s\n", strerror(errno));

		goto failed;

	}

	fclose(f);

	*size = (size_t)statbuf.st_size;

	return result;

failed:

	if(f != NULL)

		fclose(f);

	return NULL;

}