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hexdump: fix SEGV in hexdump -e ""

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This commit is contained in:
Denis Vlasenko 2008-08-23 23:15:48 +00:00
parent 7fe21c69cd
commit 15f2fdb2b9
1 changed files with 3 additions and 2 deletions
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5
libbb/dump.c
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@ -298,7 +298,7 @@ static void rewrite(priv_dumper_t *dumper, FS *fs)
* if, rep count is greater than 1, no trailing whitespace
* gets output from the last iteration of the format unit.
*/
for (fu = fs->nextfu;; fu = fu->nextfu) {
for (fu = fs->nextfu; fu; fu = fu->nextfu) {
if (!fu->nextfu && fs->bcnt < dumper->blocksize
&& !(fu->flags & F_SETREP) && fu->bcnt
) {
@ -723,7 +723,8 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
nextfupp = &tfs->nextfu;
/* take the format string and break it up into format units */
for (p = fmt;;) {
p = fmt;
for (;;) {
p = skip_whitespace(p);
if (!*p) {
break;