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| author | Eric Andersen <andersen@codepoet.org> | 2001-05-13 00:48:09 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2001-05-13 00:48:09 +0000 |
| commit | ddb00545b7fb84138a14a511def4526ac2bc0709 (patch) | |
| tree | 61b03801e85d3508f6330f1718c1b950279d2037 | |
| parent | 4819c3d477e83b846649220fc96534c9bb93d642 (diff) | |
| download | busybox-ddb00545b7fb84138a14a511def4526ac2bc0709.tar.gz | |
A patch from Aaron Lehmann <aaronl@vitelus.com> to fix a
crash on a broken regexp.
| -rw-r--r-- | editors/vi.c | 10 | ||||
| -rw-r--r-- | vi.c | 10 |
2 files changed, 18 insertions, 2 deletions
diff --git a/editors/vi.c b/editors/vi.c index 5a68ba9f1..6d1502966 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -19,7 +19,7 @@ */ char *vi_Version = - "$Id: vi.c,v 1.7 2001/05/07 22:57:47 andersen Exp $"; + "$Id: vi.c,v 1.8 2001/05/13 00:48:09 andersen Exp $"; /* * To compile for standalone use: @@ -2076,8 +2076,10 @@ static void colon(Byte * buf) c = orig_buf[1]; // what is the delimiter F = orig_buf + 2; // start of "find" R = (Byte *) strchr((char *) F, c); // middle delimiter + if (!R) goto colon_s_fail; *R++ = '\0'; // terminate "find" buf1 = (Byte *) strchr((char *) R, c); + if (!buf1) goto colon_s_fail; *buf1++ = '\0'; // terminate "replace" if (*buf1 == 'g') { // :s/foo/bar/g buf1++; @@ -2168,6 +2170,12 @@ static void colon(Byte * buf) vc1: dot = bound_dot(dot); // make sure "dot" is valid return; +#ifdef BB_FEATURE_VI_SEARCH +colon_s_fail: + psb(":s expression missing delimiters"); + return; +#endif + } static void Hit_Return(void) @@ -19,7 +19,7 @@ */ char *vi_Version = - "$Id: vi.c,v 1.7 2001/05/07 22:57:47 andersen Exp $"; + "$Id: vi.c,v 1.8 2001/05/13 00:48:09 andersen Exp $"; /* * To compile for standalone use: @@ -2076,8 +2076,10 @@ static void colon(Byte * buf) c = orig_buf[1]; // what is the delimiter F = orig_buf + 2; // start of "find" R = (Byte *) strchr((char *) F, c); // middle delimiter + if (!R) goto colon_s_fail; *R++ = '\0'; // terminate "find" buf1 = (Byte *) strchr((char *) R, c); + if (!buf1) goto colon_s_fail; *buf1++ = '\0'; // terminate "replace" if (*buf1 == 'g') { // :s/foo/bar/g buf1++; @@ -2168,6 +2170,12 @@ static void colon(Byte * buf) vc1: dot = bound_dot(dot); // make sure "dot" is valid return; +#ifdef BB_FEATURE_VI_SEARCH +colon_s_fail: + psb(":s expression missing delimiters"); + return; +#endif + } static void Hit_Return(void) |