X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=lockfile.c;h=663f18f9c40145e5ab772021e0c700e9123a4b01;hb=23b7180fdcd46556038241cd0388eca092fc55e1;hp=258fb3f5ef8636e7ff144f551689da3090518a0e;hpb=fd200790dc518f297bfd538a53e232802904f1de;p=git.git diff --git a/lockfile.c b/lockfile.c index 258fb3f5e..663f18f9c 100644 --- a/lockfile.c +++ b/lockfile.c @@ -13,7 +13,8 @@ static void remove_lock_file(void) while (lock_file_list) { if (lock_file_list->owner == me && lock_file_list->filename[0]) { - close(lock_file_list->fd); + if (lock_file_list->fd >= 0) + close(lock_file_list->fd); unlink(lock_file_list->filename); } lock_file_list = lock_file_list->next; @@ -94,7 +95,7 @@ static char *resolve_symlink(char *p, size_t s) return p; } - if (link[0] == '/') { + if (is_absolute_path(link)) { /* absolute path simply replaces p */ if (link_len < s) strcpy(p, link); @@ -159,17 +160,26 @@ int hold_lock_file_for_update(struct lock_file *lk, const char *path, int die_on return fd; } +int close_lock_file(struct lock_file *lk) +{ + int fd = lk->fd; + lk->fd = -1; + return close(fd); +} + int commit_lock_file(struct lock_file *lk) { char result_file[PATH_MAX]; - int i; - close(lk->fd); + size_t i; + if (lk->fd >= 0 && close_lock_file(lk)) + return -1; strcpy(result_file, lk->filename); i = strlen(result_file) - 5; /* .lock */ result_file[i] = 0; - i = rename(lk->filename, result_file); + if (rename(lk->filename, result_file)) + return -1; lk->filename[0] = 0; - return i; + return 0; } int hold_locked_index(struct lock_file *lk, int die_on_error) @@ -185,9 +195,12 @@ void set_alternate_index_output(const char *name) int commit_locked_index(struct lock_file *lk) { if (alternate_index_output) { - int result = rename(lk->filename, alternate_index_output); + if (lk->fd >= 0 && close_lock_file(lk)) + return -1; + if (rename(lk->filename, alternate_index_output)) + return -1; lk->filename[0] = 0; - return result; + return 0; } else return commit_lock_file(lk); @@ -196,7 +209,8 @@ int commit_locked_index(struct lock_file *lk) void rollback_lock_file(struct lock_file *lk) { if (lk->filename[0]) { - close(lk->fd); + if (lk->fd >= 0) + close(lk->fd); unlink(lk->filename); } lk->filename[0] = 0;