`git_pretty_formats_config()` continues without checking git_config_string's
return value which can lead to a SEGFAULT. Instead return -1 when
git_config_string fails signalling `git_config()` to die printing the location
of the erroneous variable.
Signed-off-by: Tanay Abhra <tanay...@gmail.com>
---
pretty.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/pretty.c b/pretty.c
index 3a1da6f..72dbf55 100644
--- a/pretty.c
+++ b/pretty.c
@@ -65,7 +65,9 @@ static int git_pretty_formats_config(const char *var, const
char *value, void *c
commit_format->name = xstrdup(name);
commit_format->format = CMIT_FMT_USERFORMAT;
- git_config_string(&fmt, var, value);
+ if (git_config_string(&fmt, var, value))
+ return -1;
+
if (starts_with(fmt, "format:") || starts_with(fmt, "tformat:")) {
commit_format->is_tformat = fmt[0] == 't';
fmt = strchr(fmt, ':') + 1;
--
1.9.0.GIT
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