Increment "arg" when a character is consumed, not just before consuming
the next character.
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
diff.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/diff.c b/diff.c
index 03cdabf..bc1e3c3 100644
--- a/diff.c
+++ b/diff.c
@@ -3358,14 +3358,13 @@ static int opt_arg(const char *arg, int arg_short,
const char *arg_long, int *va
char c, *eq;
int len;
- if (*arg != '-')
+ if (*arg++ != '-')
return 0;
- c = *++arg;
+ c = *arg++;
if (!c)
return 0;
if (c == arg_short) {
- c = *++arg;
- if (!c)
+ if (!*arg)
return 1; /* optional argument was missing */
if (convert_i(arg, 10, val))
die("The value for -%c must be a non-negative integer",
arg_short);
@@ -3373,7 +3372,6 @@ static int opt_arg(const char *arg, int arg_short, const
char *arg_long, int *va
}
if (c != '-')
return 0;
- arg++;
eq = strchrnul(arg, '=');
len = eq - arg;
if (!len || strncmp(arg, arg_long, len))
--
2.1.4
--
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