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fix pa_xstrndup() implementation to not access potentially uninitialized memory

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1006 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-06-03 00:59:24 +00:00
parent 16a275a9fd
commit 2fa08ba9aa
1 changed files with 9 additions and 10 deletions
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15
src/polyp/xmalloc.c
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@ -106,19 +106,18 @@ char *pa_xstrdup(const char *s) {
} }
char *pa_xstrndup(const char *s, size_t l) { char *pa_xstrndup(const char *s, size_t l) {
char *e, *r;
if (!s) if (!s)
return NULL; return NULL;
else {
char *r;
size_t t = strlen(s);
if (t > l) if ((e = memchr(s, 0, l)))
t = l; return pa_xmemdup(s, e-s+1);
r = pa_xmemdup(s, t+1); r = pa_xmalloc(l+1);
r[t] = 0; memcpy(r, s, l);
r[l] = 0;
return r; return r;
}
} }
void pa_xfree(void *p) { void pa_xfree(void *p) {