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https://github.com/Ponce/slackbuilds
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f286b296ad
Signed-off-by: B. Watson <yalhcru@gmail.com> Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
diff -Naur bdfresize-1.5/bdfresize.c bdfresize-1.5.patched/bdfresize.c
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--- bdfresize-1.5/bdfresize.c 2001-01-16 07:11:11.000000000 -0500
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+++ bdfresize-1.5.patched/bdfresize.c 2021-09-10 14:39:09.553534254 -0400
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@@ -48,6 +48,22 @@
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static int line;
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+static int factor_is_bad(const char *p) {
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+ int slashes = 0;
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+ while(*p) {
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+ if(*p == '/') {
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+ if(++slashes > 1)
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+ return 1;
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+ } else if(*p >= '0' && *p <= '9') {
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+ /* NOP */
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+ } else {
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+ return 1;
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+ }
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+ p++;
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+ }
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+ return 0;
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+}
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+
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int
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main(int argc, char *argv[])
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{
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@@ -64,18 +80,21 @@
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if (blackness <= 0) err ++;
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break;
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case 'w':
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+ err += factor_is_bad(optarg);
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numerator_x = atoi(optarg);
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denominator_x = strchr(optarg,'/')
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? atoi(strchr(optarg,'/')+1) : 1;
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if (numerator_x <= 0 || denominator_x <= 0) err ++;
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break;
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case 'h':
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+ err += factor_is_bad(optarg);
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numerator_y = atoi(optarg);
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denominator_y = strchr(optarg,'/')
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? atoi(strchr(optarg,'/')+1) : 1;
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if (numerator_y <= 0 || denominator_y <= 0) err ++;
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break;
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case 'f':
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+ err += factor_is_bad(optarg);
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numerator_x = numerator_y = atoi(optarg);
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denominator_x = denominator_y = strchr(optarg,'/')
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? atoi(strchr(optarg,'/')+1) : 1;
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