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authorDenis Vlasenko2007-04-10 15:43:37 +0000
committerDenis Vlasenko2007-04-10 15:43:37 +0000
commit99912ca733dd960f5589227fd999c86e73c8e894 (patch)
tree9df947fc08884d498cf76a02204d74b121064134 /coreutils/cat.c
parentff131b980d524a33d8a43cefe65e14f64a43f2da (diff)
downloadbusybox-99912ca733dd960f5589227fd999c86e73c8e894.zip
busybox-99912ca733dd960f5589227fd999c86e73c8e894.tar.gz
audit small applets and mark some of them as NOFORK.
Put big scary warnings in relevant places.
Diffstat (limited to 'coreutils/cat.c')
-rw-r--r--coreutils/cat.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/coreutils/cat.c b/coreutils/cat.c
index 7bab325..eb141dc 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -12,17 +12,23 @@
#include "busybox.h"
+/* This is a NOFORK applet. Be very careful! */
+
+
int bb_cat(char **argv)
{
static const char *const argv_dash[] = { "-", NULL };
+
FILE *f;
int retval = EXIT_SUCCESS;
- if (!*argv) argv = (char**) &argv_dash;
+ if (!*argv)
+ argv = (char**) &argv_dash;
do {
f = fopen_or_warn_stdin(*argv);
if (f) {
+ /* This is not an xfunc - never exits */
off_t r = bb_copyfd_eof(fileno(f), STDOUT_FILENO);
fclose_if_not_stdin(f);
if (r >= 0)