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path: root/Build/source/texk/ps2pk/pk2bm.c
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Diffstat (limited to 'Build/source/texk/ps2pk/pk2bm.c')
-rw-r--r--Build/source/texk/ps2pk/pk2bm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Build/source/texk/ps2pk/pk2bm.c b/Build/source/texk/ps2pk/pk2bm.c
index 39303dadf82..5445bf74092 100644
--- a/Build/source/texk/ps2pk/pk2bm.c
+++ b/Build/source/texk/ps2pk/pk2bm.c
@@ -64,18 +64,21 @@ int main(int argc, char *argv[])
if (*++argv[0] == '\0') {
argc--; argv++;
}
+ if (argv[0] == '\0') goto invalid;
C = *argv[0];
done = 1; break;
case 'o':
if (*++argv[0] == '\0') {
argc--; ++argv;
}
+ if (argv[0] == '\0') goto invalid;
C = atoo(argv[0]);
done = 1; break;
case 'H':
if (*++argv[0] == '\0') {
argc--; argv++;
}
+ if (argv[0] == '\0') goto invalid;
h = atoi(argv[0]);
done=1;
break;
@@ -83,6 +86,7 @@ int main(int argc, char *argv[])
if (*++argv[0] == '\0') {
argc--; argv++;
}
+ if (argv[0] == '\0') goto invalid;
w = atoi(argv[0]);
done=1;
break;
@@ -92,6 +96,7 @@ int main(int argc, char *argv[])
case 'h':
hexmap = 1;
break;
+invalid:
default:
printf("%s: %c invalid option\n", myname, c);
exit(1);