e2b428cbb
Rob Landley
2006-03-20
Subject
Use lstat() instead of stat so /init being a symlink doesn't screw people up. (And use it consistently, for size reasons.)
SOURCE BUG
This commit was genuinely broken at the time (not related to our build system): scripts/config/mkconfigs.c (2005-08-01 - 2006-10-05 arasi) uretilen bbconfigopts.h icine .config satirlarini kacissiz, ham newline'larla gömüyordu - gecerli C degildi, busybox'un kendi bb_mkdep araci bile parse edemiyordu (7d219aab7 ile duzeltildi, mkconfigs shell scripte cevrildi)
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Commit Diff GitHub →
util-linux/switch_root.c+3 -3
| @@ -36,7 +36,7 @@ static void delete_contents(char *directory) | |
| struct stat st; | |
| // Don't descend into other filesystems | |
| - | if (stat(directory,&st) || st.st_dev != rootdev) return; |
| + | if (lstat(directory,&st) || st.st_dev != rootdev) return; |
| // Recursively delete the contents of directories. | |
| if (S_ISDIR(st.st_mode)) { | |
| @@ -79,7 +79,7 @@ int switch_root_main(int argc, char *argv[]) | |
| newroot=argv[optind++]; | |
| - | if (chdir(newroot) || stat(".", &st1) || stat("/", &st2) || |
| + | if (chdir(newroot) || lstat(".", &st1) || lstat("/", &st2) || |
| st1.st_dev == st2.st_dev) | |
| { | |
| bb_error_msg_and_die("bad newroot %s",newroot); | |
| @@ -90,7 +90,7 @@ int switch_root_main(int argc, char *argv[]) | |
| // we mean it. (I could make this a CONFIG option, but I would get email | |
| // from all the people who WILL eat their filesystemss.) | |
| - | if (stat("/init", &st1) || !S_ISREG(st1.st_mode) || statfs("/", &stfs) || |
| + | if (lstat("/init", &st1) || !S_ISREG(st1.st_mode) || statfs("/", &stfs) || |
| (stfs.f_type != RAMFS_MAGIC && stfs.f_type != TMPFS_MAGIC) || | |
| getpid() != 1) | |
| { | |