opkg: adding the hash_table_remove API, not using yet.

Just complete the API for future usage.
Clean all the entry at initial time. This reduces planty of unnecessary check.
In order to prevent this kind of bug, using calloc to replace most malloc



git-svn-id: http://opkg.googlecode.com/svn/trunk@160 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 3 insertions, 3 deletions

diff --git a/libopkg/opkg_cmd.c b/libopkg/opkg_cmd.c
index 8386fce..cf1cc5d 100644
--- a/libopkg/opkg_cmd.c
+++ b/libopkg/opkg_cmd.c
@@ -316,7 +316,7 @@ static opkg_intercept_t opkg_prep_intercepts(opkg_conf_t *conf)
     char *newpath;
     int gen;
 
-    ctx = malloc (sizeof (*ctx));
+    ctx = calloc (1, sizeof (*ctx));
     oldpath = getenv ("PATH");
     if (oldpath) {
         ctx->oldpath = strdup (oldpath);
@@ -925,7 +925,7 @@ static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv)
         available = pkg_vec_alloc();
         pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
         for (i=0; i < argc; i++) {
-           pkg_name = malloc(strlen(argv[i])+2);
+           pkg_name = calloc(1, strlen(argv[i])+2);
            strcpy(pkg_name,argv[i]);
            for (a=0; a < available->len; a++) {
                pkg = available->pkgs[a];
@@ -1086,7 +1086,7 @@ static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv)
      size_t used_len;
      char *buff ;
 
-     buff = (char *)malloc(buff_len);
+     buff = (char *)calloc(1, buff_len);
      if ( buff == NULL ) {
         fprintf( stderr,"%s: Unable to allocate memory \n",__FUNCTION__);
         return ENOMEM;