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A patch from Aaron Lehmann <aaronl@vitelus.com> to fix a

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crash on a broken regexp.
This commit is contained in:
Eric Andersen 2001-05-13 00:48:09 +00:00
parent 4819c3d477
commit ddb00545b7
2 changed files with 18 additions and 2 deletions
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10
editors/vi.c
View File

@ -19,7 +19,7 @@
*/ */
char *vi_Version = 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: * To compile for standalone use:
@ -2076,8 +2076,10 @@ static void colon(Byte * buf)
c = orig_buf[1]; // what is the delimiter c = orig_buf[1]; // what is the delimiter
F = orig_buf + 2; // start of "find" F = orig_buf + 2; // start of "find"
R = (Byte *) strchr((char *) F, c); // middle delimiter R = (Byte *) strchr((char *) F, c); // middle delimiter
if (!R) goto colon_s_fail;
*R++ = '\0'; // terminate "find" *R++ = '\0'; // terminate "find"
buf1 = (Byte *) strchr((char *) R, c); buf1 = (Byte *) strchr((char *) R, c);
if (!buf1) goto colon_s_fail;
*buf1++ = '\0'; // terminate "replace" *buf1++ = '\0'; // terminate "replace"
if (*buf1 == 'g') { // :s/foo/bar/g if (*buf1 == 'g') { // :s/foo/bar/g
buf1++; buf1++;
@ -2168,6 +2170,12 @@ static void colon(Byte * buf)
vc1: vc1:
dot = bound_dot(dot); // make sure "dot" is valid dot = bound_dot(dot); // make sure "dot" is valid
return; return;
#ifdef BB_FEATURE_VI_SEARCH
colon_s_fail:
psb(":s expression missing delimiters");
return;
#endif
} }
static void Hit_Return(void) static void Hit_Return(void)

10
vi.c
View File

@ -19,7 +19,7 @@
*/ */
char *vi_Version = 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: * To compile for standalone use:
@ -2076,8 +2076,10 @@ static void colon(Byte * buf)
c = orig_buf[1]; // what is the delimiter c = orig_buf[1]; // what is the delimiter
F = orig_buf + 2; // start of "find" F = orig_buf + 2; // start of "find"
R = (Byte *) strchr((char *) F, c); // middle delimiter R = (Byte *) strchr((char *) F, c); // middle delimiter
if (!R) goto colon_s_fail;
*R++ = '\0'; // terminate "find" *R++ = '\0'; // terminate "find"
buf1 = (Byte *) strchr((char *) R, c); buf1 = (Byte *) strchr((char *) R, c);
if (!buf1) goto colon_s_fail;
*buf1++ = '\0'; // terminate "replace" *buf1++ = '\0'; // terminate "replace"
if (*buf1 == 'g') { // :s/foo/bar/g if (*buf1 == 'g') { // :s/foo/bar/g
buf1++; buf1++;
@ -2168,6 +2170,12 @@ static void colon(Byte * buf)
vc1: vc1:
dot = bound_dot(dot); // make sure "dot" is valid dot = bound_dot(dot); // make sure "dot" is valid
return; return;
#ifdef BB_FEATURE_VI_SEARCH
colon_s_fail:
psb(":s expression missing delimiters");
return;
#endif
} }
static void Hit_Return(void) static void Hit_Return(void)