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Be more careful with string array bounds! Found by LLVM+Clang scan-build.

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tg
2012-12-04 01:11:17 +00:00
parent 5a70000aaf
commit 9d2fefeac4
2 changed files with 8 additions and 6 deletions
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9
shf.c
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@@ -24,7 +24,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/shf.c,v 1.47 2012/10/03 16:16:15 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/shf.c,v 1.48 2012/12/04 01:11:16 tg Exp $");
/* flags to shf_emptybuf() */
#define EB_READSW 0x01 /* about to switch to reading */
@@ -971,14 +971,13 @@ shf_vfprintf(struct shf *shf, const char *fmt, va_list args)
case 'c':
flags &= ~FL_DOT;
numbuf[0] = (char)(VA(int));
s = numbuf;
len = 1;
break;
c = (char)(VA(int));
/* FALLTHROUGH */
case '%':
default:
numbuf[0] = c;
numbuf[1] = 0;
s = numbuf;
len = 1;
break;