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| author | Junio C Hamano <gitster@pobox.com> | 2012-02-16 22:00:25 (GMT) |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2012-02-16 22:00:25 (GMT) |
| commit | c6a4e3f7a78011bd7c1c75521c6d12ac311513f7 (patch) | |
| tree | 93a15aff1b119add8cdfc937c20ffc5bc36bcbf9 /sha1_file.c | |
| parent | f342afafceb16b29a9b8718c5f42afaaf6291d78 (diff) | |
| parent | 33e42de0d21a8365496e904235bd32fd4659300d (diff) | |
| download | git-c6a4e3f7a78011bd7c1c75521c6d12ac311513f7.zip git-c6a4e3f7a78011bd7c1c75521c6d12ac311513f7.tar.gz git-c6a4e3f7a78011bd7c1c75521c6d12ac311513f7.tar.bz2 | |
Merge branch 'mm/empty-loose-error-message' into maint
* mm/empty-loose-error-message:
fsck: give accurate error message on empty loose object files
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sha1_file.c b/sha1_file.c index 88f2151..d9aa0e0 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -1202,6 +1202,11 @@ void *map_sha1_file(const unsigned char *sha1, unsigned long *size) if (!fstat(fd, &st)) { *size = xsize_t(st.st_size); + if (!*size) { + /* mmap() is forbidden on empty files */ + error("object file %s is empty", sha1_file_name(sha1)); + return NULL; + } map = xmmap(NULL, *size, PROT_READ, MAP_PRIVATE, fd, 0); } close(fd); |