From 8385abfda533819be9fbec436230ccd7be4bcda8 Mon Sep 17 00:00:00 2001 From: Johannes Sixt Date: Fri, 30 Nov 2007 21:36:00 +0100 Subject: [PATCH] Windows: Handle absolute paths in safe_create_leading_directories(). In this function we must be careful to handle drive-local paths else there is a danger that it runs into an infinite loop. Signed-off-by: Johannes Sixt --- sha1_file.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/sha1_file.c b/sha1_file.c index 6f004ffd0..0a54eed76 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -83,14 +83,18 @@ int get_sha1_hex(const char *hex, unsigned char *sha1) return 0; } +static inline int offset_1st_component(const char *path) +{ + if (has_dos_drive_prefix(path)) + return 2 + (path[2] == '/'); + return *path == '/'; +} + int safe_create_leading_directories(char *path) { - char *pos = path; + char *pos = path + offset_1st_component(path); struct stat st; - if (is_absolute_path(path)) - pos++; - while (pos) { pos = strchr(pos, '/'); if (!pos) -- 2.30.2