preparatory patch for dirsize.cpp -> dirsize.c conversion

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/lib/utils/hooklib.cpp b/lib/utils/hooklib.cpp
index 7c794ef5..f82a9ae5 100644
--- a/lib/utils/hooklib.cpp
+++ b/lib/utils/hooklib.cpp
@@ -118,18 +118,19 @@ void check_free_space(unsigned setting_MaxCrashReportsSize)
 void trim_debug_dumps(unsigned setting_MaxCrashReportsSize, const char *exclude_path)
 {
     int count = 10;
-    string worst_dir;
     while (--count >= 0)
     {
         const char *base_dirname = strrchr(exclude_path, '/') + 1; /* never NULL */
         /* We exclude our own dump from candidates for deletion (3rd param): */
+        char *worst_dir = NULL;
         double dirsize = get_dirsize_find_largest_dir(DEBUG_DUMPS_DIR, &worst_dir, base_dirname);
-        if (dirsize / (1024*1024) < setting_MaxCrashReportsSize || worst_dir == "")
+        if (dirsize / (1024*1024) < setting_MaxCrashReportsSize || !worst_dir)
             break;
-        log("size of '%s' >= %u MB, deleting '%s'", DEBUG_DUMPS_DIR, setting_MaxCrashReportsSize, worst_dir.c_str());
-        char *d = concat_path_file(DEBUG_DUMPS_DIR, worst_dir.c_str());
+        log("size of '%s' >= %u MB, deleting '%s'", DEBUG_DUMPS_DIR, setting_MaxCrashReportsSize, worst_dir);
+        char *d = concat_path_file(DEBUG_DUMPS_DIR, worst_dir);
+        free(worst_dir);
+        worst_dir = NULL;
         delete_debug_dump_dir(d);
         free(d);
-        worst_dir = "";
     }
 }