libite: Minor style cleanup of fsendfile()

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2014-04-12 16:21:41 +02:00
1 parent 9f91b4c050
commit e81c2f2f90
1 file changed
+10 -11
+10 -11
View File
@@ -240,33 +240,32 @@ exit:
*/ */
size_t fsendfile (FILE *out, FILE *in, size_t sz) size_t fsendfile (FILE *out, FILE *in, size_t sz)
{ {
char *buf = malloc(BUFSIZ); char *buf;
size_t blk = BUFSIZ, ret = 0, tot = 0; size_t blk = BUFSIZ, num = 0, tot = 0;
buf = (char *)malloc(BUFSIZ);
if (!buf) if (!buf)
return -1; return -1;
while (!sz || tot < sz) while (!sz || tot < sz) {
{
if (sz && ((sz - tot) < BUFSIZ)) if (sz && ((sz - tot) < BUFSIZ))
blk = sz - tot; blk = sz - tot;
ret = fread(buf, 1, blk, in); num = fread(buf, 1, blk, in);
if (ret <= 0) if (num == 0)
break; break;
if (out && (fwrite(buf, ret, 1, out) != 1)) if (out && (fwrite(buf, num, 1, out) != 1)) {
{ num = -1;
ret = -1;
break; break;
} }
tot += ret; tot += num;
} }
free(buf); free(buf);
return (ret == (size_t)-1)? (size_t)-1 : tot; return (num == (size_t)-1) ? (size_t)-1 : tot;
} }
/* Tests if dst is a directory, if so, reallocates dst and appends src filename returning 1 */ /* Tests if dst is a directory, if so, reallocates dst and appends src filename returning 1 */