diff options
Diffstat (limited to 'combine-diff.c')
| -rw-r--r-- | combine-diff.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/combine-diff.c b/combine-diff.c index a5f2c8dd4a..9daa0cb9a9 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -92,14 +92,14 @@ struct sline { static char *grab_blob(const unsigned char *sha1, unsigned long *size) { char *blob; - char type[20]; + enum object_type type; if (is_null_sha1(sha1)) { /* deleted blob */ *size = 0; return xcalloc(1, 1); } - blob = read_sha1_file(sha1, type, size); - if (strcmp(type, blob_type)) + blob = read_sha1_file(sha1, &type, size); + if (type != OBJ_BLOB) die("object '%s' is not a blob!", sha1_to_hex(sha1)); return blob; } @@ -678,11 +678,27 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, else { /* Used by diff-tree to read from the working tree */ struct stat st; - int fd; - if (0 <= (fd = open(elem->path, O_RDONLY)) && - !fstat(fd, &st)) { - int len = st.st_size; - int sz = 0; + int fd = -1; + + if (lstat(elem->path, &st) < 0) + goto deleted_file; + + if (S_ISLNK(st.st_mode)) { + size_t len = st.st_size; + result_size = len; + result = xmalloc(len + 1); + if (result_size != readlink(elem->path, result, len)) { + error("readlink(%s): %s", elem->path, + strerror(errno)); + return; + } + result[len] = 0; + elem->mode = canon_mode(st.st_mode); + } + else if (0 <= (fd = open(elem->path, O_RDONLY)) && + !fstat(fd, &st)) { + size_t len = st.st_size; + size_t sz = 0; elem->mode = canon_mode(st.st_mode); result_size = len; @@ -698,11 +714,12 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, result[len] = 0; } else { - /* deleted file */ + deleted_file: result_size = 0; elem->mode = 0; result = xcalloc(1, 1); } + if (0 <= fd) close(fd); } |