diff options
| -rw-r--r-- | diff-lib.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/diff-lib.c b/diff-lib.c index 470ad656a8..5e6bca5906 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -30,28 +30,28 @@ static int read_directory(const char *path, struct path_list *list) return 0; } +static int get_mode(const char *path, int *mode) +{ + struct stat st; + + if (!path || !strcmp(path, "/dev/null")) + *mode = 0; + else if (!strcmp(path, "-")) + *mode = ntohl(create_ce_mode(0666)); + else if (stat(path, &st)) + return error("Could not access '%s'", path); + else + *mode = st.st_mode; + return 0; +} + static int queue_diff(struct diff_options *o, const char *name1, const char *name2) { - struct stat st; int mode1 = 0, mode2 = 0; - if (name1) { - if (!strcmp(name1, "-")) - mode1 = ntohl(create_ce_mode(0666)); - else if (stat(name1, &st)) - return error("Could not access '%s'", name1); - else - mode1 = st.st_mode; - } - if (name2) { - if (!strcmp(name2, "-")) - mode2 = ntohl(create_ce_mode(0666)); - else if (stat(name2, &st)) - return error("Could not access '%s'", name2); - else - mode2 = st.st_mode; - } + if (get_mode(name1, &mode1) || get_mode(name2, &mode2)) + return -1; if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2)) return error("file/directory conflict: %s, %s", name1, name2); |