The odp_l2fwd example leaks some strings allocated during parse_args.
https://bugs.linaro.org/show_bug.cgi?id=1117
CID 56899:  Resource leak  (RESOURCE_LEAK)

Signed-off-by: Ciprian Barbu <[email protected]>
---
v3:
- rebased on top of latest

 example/l2fwd/odp_l2fwd.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/example/l2fwd/odp_l2fwd.c b/example/l2fwd/odp_l2fwd.c
index a6ce478..4a49008 100644
--- a/example/l2fwd/odp_l2fwd.c
+++ b/example/l2fwd/odp_l2fwd.c
@@ -14,7 +14,6 @@
 #define _POSIX_C_SOURCE 200112L
 
 #include <stdlib.h>
-#include <string.h>
 #include <getopt.h>
 #include <unistd.h>
 #include <errno.h>
@@ -75,6 +74,7 @@ typedef struct {
        int mode;               /**< Packet IO mode */
        int time;               /**< Time in seconds to run. */
        int accuracy;           /**< Number of seconds to get and print 
statistics */
+       char *if_str;           /**< Storage for interface names */
 } appl_args_t;
 
 static int exit_threads;       /**< Break workers loop if set to 1 */
@@ -465,6 +465,8 @@ int main(int argc, char *argv[])
        /* Master thread waits for other threads to exit */
        odph_linux_pthread_join(thread_tbl, num_workers);
 
+       free(gbl_args->appl.if_names);
+       free(gbl_args->appl.if_str);
        printf("Exit\n\n");
 
        return 0;
@@ -512,7 +514,7 @@ static void parse_args(int argc, char *argv[], appl_args_t 
*appl_args)
 {
        int opt;
        int long_index;
-       char *names, *str, *token, *save;
+       char *token;
        size_t len;
        int i;
        static struct option longopts[] = {
@@ -555,19 +557,19 @@ static void parse_args(int argc, char *argv[], 
appl_args_t *appl_args)
                        }
                        len += 1;       /* add room for '\0' */
 
-                       names = malloc(len);
-                       if (names == NULL) {
+                       appl_args->if_str = malloc(len);
+                       if (appl_args->if_str == NULL) {
                                usage(argv[0]);
                                exit(EXIT_FAILURE);
                        }
 
                        /* count the number of tokens separated by ',' */
-                       strcpy(names, optarg);
-                       for (str = names, i = 0;; str = NULL, i++) {
-                               token = strtok_r(str, ",", &save);
-                               if (token == NULL)
-                                       break;
-                       }
+                       strcpy(appl_args->if_str, optarg);
+                       for (token = strtok(appl_args->if_str, ","), i = 0;
+                            token != NULL;
+                            token = strtok(NULL, ","), i++)
+                               ;
+
                        appl_args->if_count = i;
 
                        if (appl_args->if_count == 0) {
@@ -580,11 +582,9 @@ static void parse_args(int argc, char *argv[], appl_args_t 
*appl_args)
                            calloc(appl_args->if_count, sizeof(char *));
 
                        /* store the if names (reset names string) */
-                       strcpy(names, optarg);
-                       for (str = names, i = 0;; str = NULL, i++) {
-                               token = strtok_r(str, ",", &save);
-                               if (token == NULL)
-                                       break;
+                       strcpy(appl_args->if_str, optarg);
+                       for (token = strtok(appl_args->if_str, ","), i = 0;
+                            token != NULL; token = strtok(NULL, ","), i++) {
                                appl_args->if_names[i] = token;
                        }
                        break;
-- 
1.8.3.2


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