Since we use parse_long_opt(), the option argument is either after
--output=... or in the next command-line argument. optarg is the reliable
way to access it.
Signed-off-by: Matthieu Moy <Matthieu.Moy@xxxxxxx>
---
On my system, it seems --output file works, probably because the
argument array is stored as "--output\0file", but we should definitely
not rely on that ...
diff.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/diff.c b/diff.c
index 276e029..38f5f9c 100644
--- a/diff.c
+++ b/diff.c
@@ -3315,7 +3315,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
else if ((argcount = parse_long_opt("output", av, &optarg))) {
options->file = fopen(optarg, "w");
if (!options->file)
- die_errno("Could not open '%s'", arg + strlen("--output="));
+ die_errno("Could not open '%s'", optarg);
options->close_file = 1;
return argcount;
} else
--
1.7.3.2.g257b5f
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