[PATCH 18/24] core.5: Use adequate type

Alejandro Colomar
2020-09-10T21:18:38Z

'nread' is of type 'ssize_t'
'tot' adds up different values contained in 'nread',
so it should also be 'ssize_t', and not 'int' (which possibly overflows).

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
---
man5/core.5 | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/man5/core.5 b/man5/core.5
index a87ebbaf4..45c9de845 100644
--- a/man5/core.5
+++ b/man5/core.5
@@ -654,8 +654,7 @@ Total bytes in core dump: 282624
int
main(int argc, char *argv[])
{
- int tot;
- ssize_t nread;
+ ssize_t nread, tot;
char buf[BUF_SIZE];
FILE *fp;
char cwd[PATH_MAX];
@@ -684,7 +683,7 @@ main(int argc, char *argv[])
tot = 0;
while ((nread = read(STDIN_FILENO, buf, BUF_SIZE)) > 0)
tot += nread;
- fprintf(fp, "Total bytes in core dump: %d\en", tot);
+ fprintf(fp, "Total bytes in core dump: %zd\en", tot);

fclose(fp);
exit(EXIT_SUCCESS);
--
2.28.0