diff options
Diffstat (limited to 'util-linux/mdev.c')
| -rw-r--r-- | util-linux/mdev.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c index a18e448..b8c0090 100644 --- a/util-linux/mdev.c +++ b/util-linux/mdev.c @@ -1,7 +1,7 @@ /* vi:set ts=4: - * + * * mdev - Mini udev for busybox - * + * * Copyright 2005 Rob Landley <rob@landley.net> * Copyright 2005 Frank Sorenson <frank@tuxrocks.com> * @@ -38,21 +38,21 @@ static void make_device(char *path) RESERVE_CONFIG_BUFFER(temp,PATH_MAX); /* Try to read major/minor string */ - + snprintf(temp, PATH_MAX, "%s/dev", path); fd = open(temp, O_RDONLY); len = read(fd, temp, PATH_MAX-1); if (len<1) goto end; close(fd); - + /* Determine device name, type, major and minor */ - + device_name = strrchr(path, '/') + 1; type = strncmp(path+5, "block/" ,6) ? S_IFCHR : S_IFBLK; if(sscanf(temp, "%d:%d", &major, &minor) != 2) goto end; /* If we have a config file, look up permissions for this device */ - + if (ENABLE_FEATURE_MDEV_CONF) { char *conf,*pos,*end; @@ -67,7 +67,7 @@ static void make_device(char *path) for (pos=conf;pos-conf<len;) { int field; char *end2; - + line++; /* find end of this line */ for(end=pos;end-conf<len && *end!='\n';end++); @@ -88,11 +88,11 @@ static void make_device(char *path) regmatch_t off; int result; - /* Is this it? */ + /* Is this it? */ xregcomp(&match,regex,REG_EXTENDED); result=regexec(&match,device_name,1,&off,0); regfree(&match); - + /* If not this device, skip rest of line */ if(result || off.rm_so || off.rm_eo!=strlen(device_name)) @@ -159,7 +159,7 @@ found_device: bb_perror_msg_and_die("mknod %s failed", temp); if (ENABLE_FEATURE_MDEV_CONF) chown(temp,uid,gid); - + end: RELEASE_CONFIG_BUFFER(temp); } @@ -177,7 +177,7 @@ static void find_dev(char *path) for (;;) { struct dirent *entry = readdir(dir); - + if (!entry) break; /* Skip "." and ".." (also skips hidden files, which is ok) */ @@ -189,12 +189,12 @@ static void find_dev(char *path) find_dev(path); path[len] = 0; } - + /* If there's a dev entry, mknod it */ - + if (!strcmp(entry->d_name, "dev")) make_device(path); } - + closedir(dir); } @@ -205,7 +205,7 @@ int mdev_main(int argc, char *argv[]) RESERVE_CONFIG_BUFFER(temp,PATH_MAX); /* Scan */ - + if (argc == 2 && !strcmp(argv[1],"-s")) { strcpy(temp,"/sys/block"); find_dev(temp); @@ -218,7 +218,7 @@ int mdev_main(int argc, char *argv[]) action = getenv("ACTION"); env_path = getenv("DEVPATH"); if (!action || !env_path) bb_show_usage(); - + if (!strcmp(action, "add")) { sprintf(temp, "/sys%s", env_path); make_device(temp); |