Remove redundant NULL checks for mrb_malloc().

1 files changed, 12 insertions, 14 deletions

diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c b/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
index 734f03f0a..999bd6328 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
@@ -48,15 +48,15 @@ build_path(mrb_state *mrb, const char *dir, const char *base)
     len += strlen(dir) + strlen("/");
   }
 
-  if ((path = mrb_malloc(mrb, len)) != NULL) {
-    memset(path, 0, len);
+  path = mrb_malloc(mrb, len);
+  memset(path, 0, len);
 
-    if (strcmp(dir, ".")) {
-      strcat(path, dir);
-      strcat(path, "/");
-    }
-    strcat(path, base);
+  if (strcmp(dir, ".")) {
+    strcat(path, dir);
+    strcat(path, "/");
   }
+  strcat(path, base);
+
   return path;
 }
 
@@ -73,10 +73,10 @@ dirname(mrb_state *mrb, const char *path)
   p = strrchr(path, '/');
   len = p != NULL ? p - path : strlen(path);
 
-  if ((dir = mrb_malloc(mrb, len + 1)) != NULL) {
-    strncpy(dir, path, len);
-    dir[len] = '\0';
-  }
+  dir = mrb_malloc(mrb, len + 1);
+  strncpy(dir, path, len);
+  dir[len] = '\0';
+
   return dir;
 }
 
@@ -85,9 +85,7 @@ source_file_new(mrb_state *mrb, mrb_debug_context *dbg, char *filename)
 {
   source_file *file = NULL;
 
-  if ((file = mrb_malloc(mrb, sizeof(source_file))) == NULL) {
-    return NULL;
-  }
+  file = mrb_malloc(mrb, sizeof(source_file));
 
   memset(file, '\0', sizeof(source_file));
   file->fp = fopen(filename, "rb");