Revert config_file.c

libretro-common/file/config_file.c

@@ -44,7 +44,6 @@
 #include <file/file_path.h>
 #include <lists/string_list.h>
 #include <string/stdstring.h>
-#include <streams/file_stream.h>
 
 #define MAX_INCLUDE_DEPTH 16
 
@@ -78,6 +77,40 @@ struct config_file
 static config_file_t *config_file_new_internal(
       const char *path, unsigned depth);
 
+static char *getaline(FILE *file)
+{
+   char* newline     = (char*)malloc(9);
+   char* newline_tmp = NULL;
+   size_t cur_size   = 8;
+   size_t idx        = 0;
+   int in            = fgetc(file);
+
+   if (!newline)
+      return NULL;
+
+   while (in != EOF && in != '\n')
+   {
+      if (idx == cur_size)
+      {
+         cur_size *= 2;
+         newline_tmp = (char*)realloc(newline, cur_size + 1);
+
+         if (!newline_tmp)
+         {
+            free(newline);
+            return NULL;
+         }
+
+         newline = newline_tmp;
+      }
+
+      newline[idx++] = in;
+      in = fgetc(file);
+   }
+   newline[idx] = '\0';
+   return newline;
+}
+
 static char *strip_comment(char *str)
 {
    /* Remove everything after comment.
@@ -141,17 +174,16 @@ static char *extract_value(char *line, bool is_value)
    if (*line == '"')
    {
       line++;
-      if (*line == '"') return strdup("");
       tok = strtok_r(line, "\"", &save);
+      goto end;
    }
    else if (*line == '\0') /* Nothing */
       return NULL;
-   else
-   {
-      /* We don't have that. Read until next space. */
-      tok = strtok_r(line, " \n\t\f\r\v", &save);
-   }
 
+   /* We don't have that. Read until next space. */
+   tok = strtok_r(line, " \n\t\f\r\v", &save);
+
+end:
    if (tok)
       return strdup(tok);
    return NULL;
@@ -191,7 +223,7 @@ static void add_child_list(config_file_t *parent, config_file_t *child)
    /* Rebase tail. */
    if (parent->entries)
    {
-      struct config_entry_list *head =
+      struct config_entry_list *head = 
          (struct config_entry_list*)parent->entries;
 
       while (head->next)
@@ -275,8 +307,8 @@ static bool parse_line(config_file_t *conf,
 
    comment = strip_comment(line);
 
-   /* Starting line with #include includes config files. */
-   if (comment == line)
+   /* Starting line with # and include includes config files. */
+   if ((comment == line) && (conf->include_depth < MAX_INCLUDE_DEPTH))
    {
       comment++;
       if (strstr(comment, "include ") == comment)
@@ -284,15 +316,14 @@ static bool parse_line(config_file_t *conf,
          char *line = comment + strlen("include ");
          char *path = extract_value(line, false);
          if (path)
-         {
-            if (conf->include_depth >= MAX_INCLUDE_DEPTH)
-               fprintf(stderr, "!!! #include depth exceeded for config. Might be a cycle.\n");
-            else
-               add_sub_conf(conf, path);
-         }
+            add_sub_conf(conf, path);
          goto error;
       }
    }
+   else if (conf->include_depth >= MAX_INCLUDE_DEPTH)
+   {
+      fprintf(stderr, "!!! #include depth exceeded for config. Might be a cycle.\n");
+   }
 
    /* Skips to first character. */
    while (isspace((int)*line))
@@ -313,11 +344,10 @@ static bool parse_line(config_file_t *conf,
 
       key[idx++] = *line++;
    }
-   key[idx]      = '\0';
-   list->key     = key;
-
-   list->value   = extract_value(line, true);
+   key[idx] = '\0';
+   list->key = key;
 
+   list->value = extract_value(line, true);
    if (!list->value)
    {
       list->key = NULL;
@@ -334,7 +364,7 @@ error:
 static config_file_t *config_file_new_internal(
       const char *path, unsigned depth)
 {
-   RFILE              *file = NULL;
+   FILE              *file  = NULL;
    struct config_file *conf = (struct config_file*)malloc(sizeof(*conf));
    if (!conf)
       return NULL;
@@ -356,9 +386,7 @@ static config_file_t *config_file_new_internal(
       goto error;
 
    conf->include_depth = depth;
-   file                = filestream_open(path,
-         RETRO_VFS_FILE_ACCESS_READ,
-         RETRO_VFS_FILE_ACCESS_HINT_NONE);
+   file                = fopen_utf8(path, "r");
 
    if (!file)
    {
@@ -366,7 +394,7 @@ static config_file_t *config_file_new_internal(
       goto error;
    }
 
-   while (!filestream_eof(file))
+   while (!feof(file))
    {
       char *line                     = NULL;
       struct config_entry_list *list = (struct config_entry_list*)malloc(sizeof(*list));
@@ -374,7 +402,7 @@ static config_file_t *config_file_new_internal(
       if (!list)
       {
          config_file_free(conf);
-         filestream_close(file);
+         fclose(file);
          return NULL;
       }
 
@@ -383,7 +411,7 @@ static config_file_t *config_file_new_internal(
       list->value     = NULL;
       list->next      = NULL;
 
-      line            = filestream_getline(file);
+      line            = getaline(file);
 
       if (!line)
       {
@@ -407,7 +435,7 @@ static config_file_t *config_file_new_internal(
          free(list);
    }
 
-   filestream_close(file);
+   fclose(file);
 
    return conf;
 
@@ -492,7 +520,7 @@ config_file_t *config_file_new_from_string(const char *from_string)
    conf->tail          = NULL;
    conf->includes      = NULL;
    conf->include_depth = 0;
-
+   
    lines = string_split(from_string, "\n");
    if (!lines)
       return conf;
@@ -544,8 +572,11 @@ config_file_t *config_file_new(const char *path)
 static struct config_entry_list *config_get_entry(const config_file_t *conf,
       const char *key, struct config_entry_list **prev)
 {
-   struct config_entry_list *entry    = NULL;
-   struct config_entry_list *previous = prev ? *prev : NULL;
+   struct config_entry_list *entry;
+   struct config_entry_list *previous = NULL;
+
+   if (prev)
+      previous = *prev;
 
    for (entry = conf->entries; entry; entry = entry->next)
    {