mirror of
https://github.com/NVIDIA/nvidia-installer.git
synced 2025-07-23 10:23:00 +02:00
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/*
|
|
* This C program takes a filename and an array name, and prints to
|
|
* stdout an array of the data contained in the file.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
char *arrayname, *filename;
|
|
unsigned char *src;
|
|
struct stat stat_buf;
|
|
int length, fd, i, n;
|
|
|
|
if (argc != 3) {
|
|
fprintf(stderr, "usage: %s [filename] [arrayname]\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
filename = argv[1];
|
|
arrayname = argv[2];
|
|
|
|
/* open the file */
|
|
|
|
fd = open(filename, O_RDONLY);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "unable to open(2) %s (%s)\n",
|
|
filename, strerror(errno));
|
|
return 1;
|
|
}
|
|
|
|
/* get the length of the file */
|
|
|
|
if (fstat(fd, &stat_buf) != 0) {
|
|
fprintf(stderr, "unable to stat(2) %s (%s)\n",
|
|
filename, strerror(errno));
|
|
return 1;
|
|
}
|
|
|
|
length = stat_buf.st_size;
|
|
|
|
/* map the file */
|
|
|
|
src = mmap(0, length, PROT_READ, MAP_SHARED, fd, 0);
|
|
if (src == (void *) -1) {
|
|
fprintf(stderr, "unable to mmap(2) %s (%s)\n",
|
|
filename, strerror(errno));
|
|
return 1;
|
|
}
|
|
|
|
/* print the header */
|
|
|
|
printf("/*\n");
|
|
printf( " * THIS FILE IS AUTOMATICALLY GENERATED - DO NOT EDIT\n");
|
|
printf( " *\n");
|
|
printf( " * This file contains the contents of the file \"%s\"\n",
|
|
filename);
|
|
printf( " * as the byte array %s[].\n", arrayname);
|
|
printf( " */\n\n");
|
|
|
|
/* print a separate variable that stores the size */
|
|
|
|
printf("const int %s_size = %d;\n\n", arrayname, length);
|
|
|
|
/* print the array name */
|
|
|
|
printf("const unsigned char %s[%d] = {\n", arrayname, length);
|
|
|
|
for (i = 0, n = 0; i < length; i++, n++) {
|
|
if (n == 0) printf(" ");
|
|
printf("0x%02x, ", src[i]);
|
|
if (n >= 11) { printf("\n"); n = -1; }
|
|
}
|
|
|
|
printf("\n};\n\n");
|
|
|
|
/* unmap the file */
|
|
|
|
munmap(src, length);
|
|
|
|
/* close the file */
|
|
|
|
close(fd);
|
|
|
|
|
|
return 0;
|
|
}
|