Fix warnings and errors reported by gcc

compile

@@ -20,7 +20,7 @@ FG_BR_MAGENTA="\033[95"
 FG_BR_CYAN="\033[96"
 FG_BR_WHITE="\033[97"
 
-CC=clang
+CC=gcc
 AR=ar
 CFLAGS="-Wall -Werror -pedantic -Iinclude -Iintern/c-cpp-aliases -Iintern/cpath/include "
 
@@ -78,7 +78,7 @@ if [[ $BUILD_TYPE == "debug" ]]; then
 else
 	mkdir -p dist
 	cp ./include/pak.h dist
-	CFLAGS+="-O3 "
+	CFLAGS+="-O3 -g "
 	PCKR_OUT="dist/pckr"
 	PAKRD_OUT="dist/libpakrd.a"
 fi

src/argparse.c

@@ -7,10 +7,9 @@ argparser_t parse_args(i32 argc, char *argv[]) {
     return (argparser_t){0};
   }
 
-  argparser_t output = {
-      .succeeded = true,
-      .args = (pckr_args_t){0},
-  };
+  argparser_t output = {0};
+  output.succeeded = true;
+  output.args = (pckr_args_t){0};
 
   realpath(argv[1], output.args.dir);
   realpath(argv[2], output.args.output);

src/darr.c

@@ -40,7 +40,7 @@ i64 darr_add(darr_t **darr, void *item) {
       return INVALID_IDX;
     }
 
-    (*darr)->capacity = orig->capacity + BASE_CAPACITY;
+    (*darr)->capacity += BASE_CAPACITY;
   }
 
   u64 index = (*darr)->count;

src/io.c

@@ -16,8 +16,8 @@ struct dirwalk {
   u64 count;
   FILE *current_file;
   DIR *current_dir;
-  char dst[PATH_MAX];
-  DIR *directories[MAX_DIR_DEPTH];
+  char dst[PATH_MAX + 1];
+  DIR *directories[MAX_DIR_DEPTH + 1];
 };
 
 u64 get_file_length(FILE *fp) {
@@ -73,7 +73,7 @@ dirwalk_result_t walk_dir(dirwalk_t **dirwalk, const char *filepath) {
 
   dirwalk_t *dw = *dirwalk;
 
-  char tmp[PATH_MAX] = {0};
+  char tmp[PATH_MAX + 1] = {0};
 
   dirent_t *ep = NULL;
   stat_t dirstat = {0};
@@ -102,7 +102,7 @@ dirwalk_result_t walk_dir(dirwalk_t **dirwalk, const char *filepath) {
 
       result.reading = true;
       result.fp = dw->current_file;
-      strncpy(result.name, ep->d_name, NAME_MAX);
+      strncpy(result.name, ep->d_name, NAME_MAX + 1);
 
       return result;
     }
@@ -116,7 +116,7 @@ dirwalk_result_t walk_dir(dirwalk_t **dirwalk, const char *filepath) {
       if ((dirstat.st_mode & S_IFDIR) == S_IFDIR) {
         memset(dw->dst, 0, length);
 
-        strncpy(dw->dst, tmp, length);
+        strncpy(dw->dst, tmp, length + 1);
 
         dw->directories[(dw->count)++] = opendir(dw->dst);
 
@@ -128,7 +128,7 @@ dirwalk_result_t walk_dir(dirwalk_t **dirwalk, const char *filepath) {
 
         result.reading = true;
         result.fp = dw->current_file;
-        strncpy(result.name, ep->d_name, NAME_MAX);
+        strncpy(result.name, ep->d_name, NAME_MAX + 1);
 
         return result;
       }
@@ -150,7 +150,7 @@ dirwalk_result_t walk_dir(dirwalk_t **dirwalk, const char *filepath) {
 
     u64 length = strlen(dw->dst);
 
-    strncpy(tmp, dw->dst, length);
+    strcpy(tmp, dw->dst);
 
     memset(dw->dst, 0, length);
 

src/pak.c

@@ -34,13 +34,11 @@ void write_pak(const pak_t *pak, toc_entry_t **toc_entries,
 bool create_asset_pack(const char *dirpath, const char *output) {
   bool created = false;
 
-  char dst[PATH_MAX] = {0};
+  char dst[PATH_MAX + 1] = {0};
 
-  u64 output_length = strlen(output);
-  strncpy(dst, output, output_length);
+  strcpy(dst, output);
 
-  u64 ext_length = strlen(PAK_EXT);
-  strncat(dst, PAK_EXT, ext_length);
+  strcat(dst, PAK_EXT);
 
   FILE *fp = fopen(dst, "wb");
   if (!fp) {
@@ -252,7 +250,7 @@ toc_entry_t *create_toc_entry(const char *name, u64 offset) {
   entry->offset = offset;
   entry->length = length + 1;
 
-  strncpy(entry->name, name, length);
+  strcpy(entry->name, name);
 
   return entry;
 }