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libexecinfo was not correctly updating pointers after calls to realloc, this

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patch, written by Jay Freeman <saurik(at)saurik.com>, fixes it.

PR:		ports/78972
Submitted by:	Douglas Thrift <douglas(at)douglasthrift.net>
This commit is contained in:
Alexey Dokuchaev 2005-03-20 09:14:11 +00:00
parent abeaeffeae
commit c6240b49fc
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=131700
2 changed files with 46 additions and 0 deletions
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1
devel/libexecinfo/Makefile
View File

@ -7,6 +7,7 @@
PORTNAME= libexecinfo
PORTVERSION= 1.1
PORTREVISION= 1
CATEGORIES= devel
MASTER_SITES= http://www.portaone.com/~sobomax/

45
devel/libexecinfo/files/patch-execinfo.c Normal file
View File

@ -0,0 +1,45 @@
--- execinfo.c.orig Sun Jul 18 22:21:09 2004
+++ execinfo.c Wed Feb 9 16:56:51 2005
@@ -78,7 +78,6 @@
rval = malloc(clen);
if (rval == NULL)
return NULL;
- (char **)cp = &(rval[size]);
for (i = 0; i < size; i++) {
if (dladdr(buffer[i], &info) != 0) {
if (info.dli_sname == NULL)
@@ -92,14 +91,14 @@
2 + /* " <" */
strlen(info.dli_sname) + /* "function" */
1 + /* "+" */
- D10(offset) + /* "offset */
+ 10 + /* "offset */
5 + /* "> at " */
strlen(info.dli_fname) + /* "filename" */
1; /* "\0" */
rval = realloc_safe(rval, clen + alen);
if (rval == NULL)
return NULL;
- snprintf(cp, alen, "%p <%s+%d> at %s",
+ snprintf((char *) rval + clen, alen, "%p <%s+%d> at %s",
buffer[i], info.dli_sname, offset, info.dli_fname);
} else {
alen = 2 + /* "0x" */
@@ -108,11 +107,14 @@
rval = realloc_safe(rval, clen + alen);
if (rval == NULL)
return NULL;
- snprintf(cp, alen, "%p", buffer[i]);
+ snprintf((char *) rval + clen, alen, "%p", buffer[i]);
}
- rval[i] = cp;
- cp += alen;
+ rval[i] = (char *) clen;
+ clen += alen;
}
+
+ for (i = 0; i < size; i++)
+ rval[i] += (int) rval;
return rval;
}