diff options
Diffstat (limited to 'toolbox/insmod.c')
-rw-r--r-- | toolbox/insmod.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/toolbox/insmod.c b/toolbox/insmod.c deleted file mode 100644 index d252433..0000000 --- a/toolbox/insmod.c +++ /dev/null @@ -1,97 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <malloc.h> -#include <errno.h> -#include <sys/param.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> - -extern int init_module(void *, unsigned long, const char *); - -static void *read_file(const char *filename, ssize_t *_size) -{ - int ret, fd; - struct stat sb; - ssize_t size; - void *buffer = NULL; - - /* open the file */ - fd = open(filename, O_RDONLY); - if (fd < 0) - return NULL; - - /* find out how big it is */ - if (fstat(fd, &sb) < 0) - goto bail; - size = sb.st_size; - - /* allocate memory for it to be read into */ - buffer = malloc(size); - if (!buffer) - goto bail; - - /* slurp it into our buffer */ - ret = read(fd, buffer, size); - if (ret != size) - goto bail; - - /* let the caller know how big it is */ - *_size = size; - -bail: - close(fd); - return buffer; -} - -int insmod_main(int argc, char **argv) -{ - void *file; - ssize_t size = 0; - char opts[1024]; - int ret; - - /* make sure we've got an argument */ - if (argc < 2) { - fprintf(stderr, "usage: insmod <module.o>\n"); - return -1; - } - - /* read the file into memory */ - file = read_file(argv[1], &size); - if (!file) { - fprintf(stderr, "insmod: can't open '%s'\n", argv[1]); - return -1; - } - - opts[0] = '\0'; - if (argc > 2) { - int i, len; - char *end = opts + sizeof(opts) - 1; - char *ptr = opts; - - for (i = 2; (i < argc) && (ptr < end); i++) { - len = MIN(strlen(argv[i]), (size_t)(end - ptr)); - memcpy(ptr, argv[i], len); - ptr += len; - *ptr++ = ' '; - } - *(ptr - 1) = '\0'; - } - - /* pass it to the kernel */ - ret = init_module(file, size, opts); - if (ret != 0) { - fprintf(stderr, - "insmod: init_module '%s' failed (%s)\n", - argv[1], strerror(errno)); - } - - /* free the file buffer */ - free(file); - - return ret; -} - |