70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
$NetBSD: patch-execinfo.c,v 1.3 2014/05/04 11:09:56 hauke Exp $
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--- execinfo.c.orig 2004-07-19 05:21:09.000000000 +0000
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+++ execinfo.c
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@@ -36,6 +36,10 @@
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#include <string.h>
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#include <unistd.h>
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+#ifdef __sun
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+#include <alloca.h>
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+#endif
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+
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#include "execinfo.h"
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#include "stacktraverse.h"
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@@ -69,16 +73,15 @@ backtrace(void **buffer, int size)
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char **
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backtrace_symbols(void *const *buffer, int size)
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{
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- int i, clen, alen, offset;
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+ size_t clen, alen;
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+ int i, offset;
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char **rval;
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- char *cp;
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Dl_info info;
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clen = size * sizeof(char *);
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rval = malloc(clen);
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if (rval == NULL)
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return NULL;
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- (char **)cp = &(rval[size]);
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for (i = 0; i < size; i++) {
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if (dladdr(buffer[i], &info) != 0) {
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if (info.dli_sname == NULL)
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@@ -92,14 +95,14 @@ backtrace_symbols(void *const *buffer, i
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2 + /* " <" */
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strlen(info.dli_sname) + /* "function" */
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1 + /* "+" */
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- D10(offset) + /* "offset */
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+ 10 + /* "offset */
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5 + /* "> at " */
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strlen(info.dli_fname) + /* "filename" */
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1; /* "\0" */
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rval = realloc_safe(rval, clen + alen);
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if (rval == NULL)
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return NULL;
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- snprintf(cp, alen, "%p <%s+%d> at %s",
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+ snprintf((char *) rval + clen, alen, "%p <%s+%d> at %s",
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buffer[i], info.dli_sname, offset, info.dli_fname);
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} else {
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alen = 2 + /* "0x" */
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@@ -108,12 +111,15 @@ backtrace_symbols(void *const *buffer, i
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rval = realloc_safe(rval, clen + alen);
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if (rval == NULL)
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return NULL;
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- snprintf(cp, alen, "%p", buffer[i]);
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+ snprintf((char *) rval + clen, alen, "%p", buffer[i]);
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}
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- rval[i] = cp;
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- cp += alen;
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+ rval[i] = (char *) clen;
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+ clen += alen;
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}
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+ for (i = 0; i < size; i++)
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+ rval[i] += (long) rval;
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+
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return rval;
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}
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