From 5fd20cc95552747117eeed503236fa143b866108 Mon Sep 17 00:00:00 2001
From: bjorn <tie.372@gmail.com>
Date: Thu, 22 Mar 2018 10:39:31 -0700
Subject: [PATCH] Fix lovr.filesystem.setRequirePath;

---
 src/api/filesystem.c        |  8 +-------
 src/filesystem/filesystem.c | 37 ++++++++++++++++++++++++-------------
 src/filesystem/filesystem.h |  7 +++----
 3 files changed, 28 insertions(+), 24 deletions(-)

diff --git a/src/api/filesystem.c b/src/api/filesystem.c
index b4a71ba5..fb8fbb47 100644
--- a/src/api/filesystem.c
+++ b/src/api/filesystem.c
@@ -290,13 +290,7 @@ int l_lovrFilesystemSetIdentity(lua_State* L) {
 }
 
 int l_lovrFilesystemSetRequirePath(lua_State* L) {
-  char* requirePath = strdup(luaL_checkstring(L, 1));
-  char* pattern;
-  lovrFilesystemClearRequirePath();
-  while ((pattern = strsep(&requirePath, ";")) != NULL) {
-    lovrFilesystemAddRequirePath(pattern);
-  }
-  free(requirePath);
+  lovrFilesystemSetRequirePath(luaL_checkstring(L, 1));
   return 0;
 }
 
diff --git a/src/filesystem/filesystem.c b/src/filesystem/filesystem.c
index 9f5e4114..724cf430 100644
--- a/src/filesystem/filesystem.c
+++ b/src/filesystem/filesystem.c
@@ -31,9 +31,8 @@ void lovrFilesystemInit(const char* arg0, const char* arg1) {
   state.source = malloc(LOVR_PATH_MAX * sizeof(char));
   state.identity = NULL;
   state.isFused = true;
-  vec_init(&state.requirePath);
-  vec_push(&state.requirePath, "?.lua");
-  vec_push(&state.requirePath, "?/init.lua");
+  vec_init(&state.requirePatterns);
+  lovrFilesystemSetRequirePath("?.lua;?/init.lua");
 
   // Try to mount either an archive fused to the executable or an archive from the command line
   lovrFilesystemGetExecutablePath(state.source, LOVR_PATH_MAX);
@@ -57,19 +56,12 @@ void lovrFilesystemDestroy() {
   free(state.source);
   free(state.savePathFull);
   free(state.savePathRelative);
-  vec_deinit(&state.requirePath);
+  free(state.requirePath);
+  vec_deinit(&state.requirePatterns);
   PHYSFS_deinit();
   memset(&state, 0, sizeof(FilesystemState));
 }
 
-void lovrFilesystemAddRequirePath(const char* path) {
-  vec_push(&state.requirePath, (char*) path);
-}
-
-void lovrFilesystemClearRequirePath() {
-  vec_clear(&state.requirePath);
-}
-
 int lovrFilesystemCreateDirectory(const char* path) {
   return !PHYSFS_mkdir(path);
 }
@@ -145,7 +137,7 @@ const char* lovrFilesystemGetRealDirectory(const char* path) {
 }
 
 vec_str_t* lovrFilesystemGetRequirePath() {
-  return &state.requirePath;
+  return &state.requirePatterns;
 }
 
 const char* lovrFilesystemGetSaveDirectory() {
@@ -286,6 +278,25 @@ int lovrFilesystemSetIdentity(const char* identity) {
   return 0;
 }
 
+void lovrFilesystemSetRequirePath(const char* requirePath) {
+  if (state.requirePath) {
+    free(state.requirePath);
+    vec_clear(&state.requirePatterns);
+  }
+
+  state.requirePath = strdup(requirePath);
+  char* p = state.requirePath;
+
+  while (1) {
+    vec_push(&state.requirePatterns, p);
+    if ((p = strchr(p, ';')) != NULL) {
+      *p++ = '\0';
+    } else {
+      break;
+    }
+  }
+}
+
 int lovrFilesystemUnmount(const char* path) {
   return !PHYSFS_unmount(path);
 }
diff --git a/src/filesystem/filesystem.h b/src/filesystem/filesystem.h
index eeae7570..d0edf5e2 100644
--- a/src/filesystem/filesystem.h
+++ b/src/filesystem/filesystem.h
@@ -15,13 +15,12 @@ typedef struct {
   char* savePathRelative;
   char* savePathFull;
   bool isFused;
-  vec_str_t requirePath;
+  char* requirePath;
+  vec_str_t requirePatterns;
 } FilesystemState;
 
 void lovrFilesystemInit(const char* arg0, const char* arg1);
 void lovrFilesystemDestroy();
-void lovrFilesystemAddRequirePath(const char* path);
-void lovrFilesystemClearRequirePath();
 int lovrFilesystemCreateDirectory(const char* path);
 int lovrFilesystemGetAppdataDirectory(char* dest, unsigned int size);
 void lovrFilesystemGetDirectoryItems(const char* path, getDirectoryItemsCallback callback, void* userdata);
@@ -42,6 +41,6 @@ int lovrFilesystemMount(const char* path, const char* mountpoint, bool append);
 void* lovrFilesystemRead(const char* path, size_t* bytesRead);
 int lovrFilesystemRemove(const char* path);
 int lovrFilesystemSetIdentity(const char* identity);
-int lovrFilesystemSetSource(const char* source);
+void lovrFilesystemSetRequirePath(const char* requirePath);
 int lovrFilesystemUnmount(const char* path);
 size_t lovrFilesystemWrite(const char* path, const char* content, size_t size, bool append);