Fix a few compilation warnings in api.c
gcc -DHAVE_CONFIG_H -I. -I.. -I../include -g -O2 -Wall -MT api.lo -MD -MP -MF
.deps/api.Tpo -c api.c -fPIC -DPIC -o .libs/api.o
api.c:52:1: warning: "VERSION" redefined
In file included from ./libcgroup-internal.h:21,
from api.c:31:
../config.h:129:1: warning: this is the location of the previous definition
api.c: In function 'cgroup_parse_rules':
api.c:353: warning: implicit declaration of function 'isblank'
api.c: In function 'cgroup_modify_cgroup':
api.c:1073: warning: implicit declaration of function 'asprintf'
api.c: In function 'cg_read_stat':
api.c:2340: warning: implicit declaration of function 'getline'
api.c:2338: warning: 'saveptr' may be used uninitialized in this function
This patch fixes the warning arising due to isblank, asprintf, getline
and saveptr above.
Signed-off-by: Bharata B Rao <[email protected]>
---
src/api.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/src/api.c
+++ b/src/api.c
@@ -25,6 +25,10 @@
* for mistakes in APIs for reading statistics.
*/
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
#include <dirent.h>
#include <errno.h>
#include <libcgroup.h>
@@ -2335,7 +2339,7 @@ int cg_read_stat(FILE *fp, struct cgroup
char *line = NULL;
size_t len = 0;
ssize_t read;
- char *token, *saveptr;
+ char *token, *saveptr = NULL;
read = getline(&line, &len, fp);
if (read == -1)
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