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-rw-r--r--src/libstddjb/slurpn.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/src/libstddjb/slurpn.c b/src/libstddjb/slurpn.c
index ee5157f..317e300 100644
--- a/src/libstddjb/slurpn.c
+++ b/src/libstddjb/slurpn.c
@@ -11,25 +11,18 @@
int slurpn (int fd, stralloc *sa, size_t max)
{
- size_t sabase = sa->len ;
- int wasnull = !sa->s ;
for (;;)
{
ssize_t r ;
- size_t n = max && sa->len - sabase + N > max ? max - (sa->len - sabase) : N ;
- if (!n) { errno = ENOBUFS ; goto err ; }
+ size_t n = max && sa->len + N > max ? max - sa->len : N ;
+ if (!n) return (errno = ENOBUFS, 0) ;
if (!stralloc_readyplus(sa, n)) break ;
r = fd_read(fd, sa->s + sa->len, n) ;
switch (r)
{
- case -1 : goto err ;
+ case -1 : return 0 ;
case 0 : return 1 ;
default : sa->len += r ;
}
}
-
-err:
- if (wasnull) stralloc_free(sa) ;
- else sa->len = sabase ;
- return 0 ;
}