diff options
Diffstat (limited to 'modutils/insmod.c')
| -rw-r--r-- | modutils/insmod.c | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/modutils/insmod.c b/modutils/insmod.c index ff96736..11ba263 100644 --- a/modutils/insmod.c +++ b/modutils/insmod.c @@ -4263,38 +4263,32 @@ static const char *moderror(int err) } } -int insmod_ng_main( int argc, char **argv) +int insmod_ng_main(int argc, char **argv) { - int i; - int fd; - long int ret; - struct stat st; - unsigned long len; + long ret; + size_t len; void *map; - char *filename, *options = xstrdup(""); + char *filename, *options; - filename = argv[1]; - if (!filename) { + filename = *++argv; + if (!filename) bb_show_usage(); - return -1; - } /* Rest is options */ - for (i = 2; i < argc; i++) { - options = xrealloc(options, strlen(options) + 2 + strlen(argv[i]) + 2); + options = xstrdup(""); + while (*++argv) { + int optlen = strlen(options); + options = xrealloc(options, optlen + 2 + strlen(*argv) + 2); /* Spaces handled by "" pairs, but no way of escaping quotes */ - if (strchr(argv[i], ' ')) { - strcat(options, "\""); - strcat(options, argv[i]); - strcat(options, "\""); - } else { - strcat(options, argv[i]); - } - strcat(options, " "); + sprintf(options + optlen, (strchr(*argv,' ') ? "\"%s\" " : "%s "), *argv); } +#if 0 + /* Any special reason why mmap? It isn't performace critical... */ + int fd; + struct stat st; + unsigned long len; fd = xopen(filename, O_RDONLY); - fstat(fd, &st); len = st.st_size; map = mmap(NULL, len, PROT_READ, MAP_PRIVATE, fd, 0); @@ -4302,6 +4296,16 @@ int insmod_ng_main( int argc, char **argv) bb_perror_msg_and_die("cannot mmap '%s'", filename); } + /* map == NULL on Blackfin, probably on other MMU-less systems too. Workaround. */ + if (map == NULL) { + map = xmalloc(len); + xread(fd, map, len); + } +#else + len = MAXINT(ssize_t); + map = xmalloc_open_read_close(filename, &len); +#endif + ret = syscall(__NR_init_module, map, len, options); if (ret != 0) { bb_perror_msg_and_die("cannot insert '%s': %s (%li)", |