die() with an error message if the argument is not a non-negative
integer. This change tightens up parsing: '+' and '-', leading
whitespace, and trailing junk are all disallowed now.
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
diff.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/diff.c b/diff.c
index bc1e3c3..be389ae 100644
--- a/diff.c
+++ b/diff.c
@@ -3799,7 +3799,8 @@ int diff_opt_parse(struct diff_options *options, const
char **av, int ac)
else if (!strcmp(arg, "-z"))
options->line_termination = 0;
else if ((argcount = short_opt('l', av, &optarg))) {
- options->rename_limit = strtoul(optarg, NULL, 10);
+ if (convert_i(optarg, 10, &options->rename_limit))
+ die("-l requires a non-negative integer argument");
return argcount;
}
else if ((argcount = short_opt('S', av, &optarg))) {
--
2.1.4
--
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