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config: clarify memory ownership in git_config_string()

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The out parameter of `git_config_string()` is a `const char **` even
though we transfer ownership of memory to the caller. This is quite
misleading and has led to many memory leaks all over the place. Adapt
the parameter to instead be `char **`.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-05-27 13:46:39 +02:00
committed by Junio C Hamano
parent 83024d98f7
commit 1b261c20ed
30 changed files with 96 additions and 92 deletions
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14
pretty.c
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@ -62,7 +62,7 @@ static int git_pretty_formats_config(const char *var, const char *value,
{
struct cmt_fmt_map *commit_format = NULL;
const char *name;
const char *fmt;
char *fmt;
int i;
if (!skip_prefix(var, "pretty.", &name))
@ -93,13 +93,17 @@ static int git_pretty_formats_config(const char *var, const char *value,
if (git_config_string(&fmt, var, value))
return -1;
if (skip_prefix(fmt, "format:", &fmt))
if (skip_prefix(fmt, "format:", &commit_format->user_format)) {
commit_format->is_tformat = 0;
else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%'))
} else if (skip_prefix(fmt, "tformat:", &commit_format->user_format)) {
commit_format->is_tformat = 1;
else
} else if (strchr(fmt, '%')) {
commit_format->is_tformat = 1;
commit_format->user_format = fmt;
} else {
commit_format->is_alias = 1;
commit_format->user_format = fmt;
commit_format->user_format = fmt;
}
return 0;
}