fread(3), unlike read(2) which returns a ssize_t, returns a size_t.
It doesn't distinguish between error and enf-of-file.
Instead, either ferror(3) or feof(3) need to be checked if
fread() returned 0.
Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>
---
man3/fopencookie.3 | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/man3/fopencookie.3 b/man3/fopencookie.3
index 5394ce4a5..055ec64d7 100644
--- a/man3/fopencookie.3
+++ b/man3/fopencookie.3
@@ -392,7 +392,7 @@ main(int argc, char *argv[])
};
FILE *stream;
struct memfile_cookie mycookie;
- ssize_t nread;
+ size_t nread;
char buf[1000];
/* Set up the cookie before calling fopencookie() */
@@ -429,11 +429,11 @@ main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
nread = fread(buf, 1, 2, stream);
- if (nread == \-1) {
- perror("fread");
- exit(EXIT_FAILURE);
- }
if (nread == 0) {
+ if (ferror(stream) != 0) {
+ fprintf(stderr, "fread failed\en");
+ exit(EXIT_FAILURE);
+ }
printf("Reached end of file\en");
break;
}
--
2.28.0
