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Implement and use an xstrdup() function

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Many places in dtc use strdup(), but none of them actually check the
return value to see if the implied allocation succeeded.  This is a
potential bug, which we fix in the patch below by replacing strdup()
with an xstrdup() which in analogy to xmalloc() will quit with a fatal
error if the allocation fails.

I felt the introduciton of util.[ch] was a better choice
for utility oriented code than directly using srcpos.c
for the new string function.

This patch is a re-factoring of Dave Gibson's similar patch.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
This commit is contained in:
Jon Loeliger 2008-10-03 11:12:33 -05:00
parent 68f98d7b8a
commit 879e4d2590
10 changed files with 82 additions and 18 deletions
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3
convert-dtsv0-lexer.l
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@ -42,6 +42,7 @@ GAP ({WS}|{COMMENT}|{LINECOMMENT})*
#include <fnmatch.h>
#include "srcpos.h"
#include "util.h"
static int v1_tagged; /* = 0 */
static int cbase = 16;
@ -185,7 +186,7 @@ const struct {
<PROPNODENAME>{PROPNODECHAR}+ {
ECHO;
last_name = strdup(yytext);
last_name = xstrdup(yytext);
BEGIN(INITIAL);
}