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Fix a small bug when parsing the padding command line argument (-p)

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When an empty string was passed as padding spec, this was
not properly flagged as an error.
This commit is contained in:
Thomas Jensen 2021-11-05 14:03:49 +01:00
parent 84d051f1e5
commit eab1e13df2
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GPG Key ID: A4ACEE270D0FB7DB
1 changed files with 3 additions and 2 deletions
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5
src/cmdline.c
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@ -344,10 +344,11 @@ static int killblank(opt_t *result, char *optarg)
*/ */
static int padding(opt_t *result, char *optarg) static int padding(opt_t *result, char *optarg)
{ {
int errfl = 0; int errfl = 1;
char *p = optarg; char *p = optarg;
while (*p) { while (*p) {
errfl = 0;
if (p[1] == '\0') { if (p[1] == '\0') {
errfl = 1; errfl = 1;
break; break;
@ -395,7 +396,7 @@ static int padding(opt_t *result, char *optarg)
} }
} }
if (errfl) { if (errfl) {
fprintf(stderr, "%s: invalid padding specification - %s\n", PROJECT, optarg); bx_fprintf(stderr, "%s: invalid padding specification - %s\n", PROJECT, optarg);
return 1; return 1;
} }
return 0; return 0;