diff options
| author | Michael Meskes <meskes@postgresql.org> | 2016-12-22 08:28:13 +0100 |
|---|---|---|
| committer | Michael Meskes <meskes@postgresql.org> | 2016-12-22 08:29:13 +0100 |
| commit | fd2a5547c523768b662cd2ea056080ad16c9f23f (patch) | |
| tree | b98acd5286cfac7a17ee837c2bccdba1d461acb1 /src/interfaces/ecpg/preproc/ecpg.c | |
| parent | 88673c9d3bc72004367e3317175cb873584405bf (diff) | |
Fix buffer overflow on particularly named files and clarify documentation about
output file naming.
Patch by Tsunakawa, Takayuki <tsunakawa.takay@jp.fujitsu.com>
Diffstat (limited to 'src/interfaces/ecpg/preproc/ecpg.c')
| -rw-r--r-- | src/interfaces/ecpg/preproc/ecpg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/interfaces/ecpg/preproc/ecpg.c b/src/interfaces/ecpg/preproc/ecpg.c index dbf89fcae32..047743df5f5 100644 --- a/src/interfaces/ecpg/preproc/ecpg.c +++ b/src/interfaces/ecpg/preproc/ecpg.c @@ -313,7 +313,8 @@ main(int argc, char *const argv[]) base_yyout = stdout; else { - output_filename = mm_strdup(input_filename); + output_filename = mm_alloc(strlen(input_filename) + 3); + strcpy(output_filename, input_filename); ptr2ext = strrchr(output_filename, '.'); /* make extension = .c resp. .h */ |