(libretro-common) Some functions now return len

libretro-common/file/file_path.c

@@ -71,27 +71,27 @@
 
 /* Time format strings with AM-PM designation require special
  * handling due to platform dependence */
-void strftime_am_pm(char *s, size_t len, const char* format,
+size_t strftime_am_pm(char *s, size_t len, const char* format,
       const void *ptr)
 {
-   char *local = NULL;
+   size_t _len              = 0;
+   char *local              = NULL;
    const struct tm *timeptr = (const struct tm*)ptr;
-
    /* Ensure correct locale is set
     * > Required for localised AM/PM strings */
    setlocale(LC_TIME, "");
-
-   strftime(s, len, format, timeptr);
+   _len = strftime(s, len, format, timeptr);
 #if !(defined(__linux__) && !defined(ANDROID))
    if ((local = local_to_utf8_string_alloc(s)))
    {
       if (!string_is_empty(local))
-         strlcpy(s, local, len);
+         _len = strlcpy(s, local, len);
 
       free(local);
       local = NULL;
    }
 #endif
+   return _len;
 }
 
 /**
@@ -1422,7 +1422,7 @@ void fill_pathname_application_dir(char *s, size_t len)
 #endif
 }
 
-void fill_pathname_home_dir(char *s, size_t len)
+size_t fill_pathname_home_dir(char *s, size_t len)
 {
 #ifdef __WINRT__
    const char *home = uwp_dir_data;
@@ -1430,9 +1430,9 @@ void fill_pathname_home_dir(char *s, size_t len)
    const char *home = getenv("HOME");
 #endif
    if (home)
-      strlcpy(s, home, len);
-   else
-      *s = 0;
+      return strlcpy(s, home, len);
+   *s = 0;
+   return 0;
 }
 #endif
 

libretro-common/include/file/file_path.h

@@ -68,7 +68,7 @@ void path_linked_list_free(struct path_linked_list *in_path_linked_list);
 
 /**
  * Add a node to the linked list with this path
- * If the first node's path if it's not yet set, 
+ * If the first node's path if it's not yet set,
  * set this instead
 **/
 void path_linked_list_add_path(struct path_linked_list *in_path_linked_list, char *path);
@@ -342,7 +342,7 @@ size_t fill_str_dated_filename(char *out_filename,
  * a backslash on Windows too which takes precedence
  * over regular slash.
 
- * Hidden non-leaf function cost: 
+ * Hidden non-leaf function cost:
  * - calls strrchr
  *
  * @return pointer to last slash/backslash found in @str.
@@ -468,8 +468,8 @@ void fill_pathname_resolve_relative(char *out_path, const char *in_refpath,
  * Joins a directory (@dir) and path (@path) together.
  * Makes sure not to get two consecutive slashes
  * between directory and path.
- * 
- * Hidden non-leaf function cost: 
+ *
+ * Hidden non-leaf function cost:
  * - calls strlcpy at least once
  * - calls fill_pathname_slash()
  *
@@ -497,7 +497,7 @@ size_t fill_pathname_join(char *out_path, const char *dir,
  * Makes sure not to get two consecutive slashes
  * between directory and path.
  *
- * Hidden non-leaf function cost: 
+ * Hidden non-leaf function cost:
  * - calls strlcpy 2x
  * - calls find_last_slash()
  *
@@ -522,7 +522,7 @@ size_t fill_pathname_join_special_ext(char *out_path,
  * Joins a directory (@dir) and path (@path) together
  * using the given delimiter (@delim).
  *
- * Hidden non-leaf function cost: 
+ * Hidden non-leaf function cost:
  * - can call strlen
  * - can call strlcpy
  * - can call strlcat
@@ -539,9 +539,9 @@ size_t fill_pathname_abbreviate_special(char *out_path,
 /**
  * fill_pathname_abbreviated_or_relative:
  *
- * Fills the supplied path with either the abbreviated path or 
+ * Fills the supplied path with either the abbreviated path or
  * the relative path, which ever one has less depth / number of slashes
- * 
+ *
  * If lengths of abbreviated and relative paths are the same,
  * the relative path will be used
  * @in_path can be an absolute, relative or abbreviated path
@@ -555,10 +555,10 @@ size_t fill_pathname_abbreviated_or_relative(char *out_path,
  * pathname_conform_slashes_to_os:
  *
  * @path               : path
- * 
+ *
  * Leaf function.
  *
- * Changes the slashes to the correct kind for the os 
+ * Changes the slashes to the correct kind for the os
  * So forward slash on linux and backslash on Windows
  **/
 void pathname_conform_slashes_to_os(char *path);
@@ -569,7 +569,7 @@ void pathname_conform_slashes_to_os(char *path);
  *
  * Leaf function.
  *
- * Change all slashes to forward so they are more 
+ * Change all slashes to forward so they are more
  * portable between Windows and Linux
  **/
 void pathname_make_slashes_portable(char *path);
@@ -620,7 +620,7 @@ void path_basedir_wrapper(char *path);
  * Assumes path is a directory. Appends a slash
  * if not already there.
 
- * Hidden non-leaf function cost: 
+ * Hidden non-leaf function cost:
  * - calls find_last_slash()
  *   - can call strlcat once if it returns false
  * - calls strlen
@@ -630,7 +630,7 @@ size_t fill_pathname_slash(char *path, size_t size);
 #if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
 void fill_pathname_application_path(char *buf, size_t size);
 void fill_pathname_application_dir(char *buf, size_t size);
-void fill_pathname_home_dir(char *buf, size_t size);
+size_t fill_pathname_home_dir(char *buf, size_t size);
 #endif
 
 /**
@@ -663,8 +663,10 @@ bool path_mkdir(const char *dir);
 bool path_is_directory(const char *path);
 
 /* Time format strings with AM-PM designation require special
- * handling due to platform dependence */
-void strftime_am_pm(char *s, size_t len, const char* format,
+ * handling due to platform dependence
+ * @return Length of the string written to @s
+ */
+size_t strftime_am_pm(char *s, size_t len, const char* format,
       const void* timeptr);
 
 bool path_is_character_special(const char *path);

menu/drivers/materialui.c

@@ -5859,7 +5859,7 @@ static void materialui_render_header(
       gfx_display_ctx_datetime_t datetime;
       char timedate_str[MUI_TIMEDATE_MAX_LENGTH];
 
-      timedate_str[0] = '\0';
+      timedate_str[0]         = '\0';
 
       datetime.s              = timedate_str;
       datetime.len            = sizeof(timedate_str);
@@ -5874,7 +5874,7 @@ static void materialui_render_header(
       if (!string_is_equal(timedate_str, mui->sys_bar_cache.timedate_str))
       {
          /* Cache new string */
-         strlcpy(mui->sys_bar_cache.timedate_str, timedate_str,
+         size_t _len = strlcpy(mui->sys_bar_cache.timedate_str, timedate_str,
                MUI_TIMEDATE_MAX_LENGTH * sizeof(char));
 
          /* Cache width */
@@ -5882,7 +5882,7 @@ static void materialui_render_header(
             = font_driver_get_message_width(
                mui->font_data.hint.font,
                mui->sys_bar_cache.timedate_str,
-               strlen(mui->sys_bar_cache.timedate_str),
+               _len,
                1.0f);
       }
 

menu/drivers/ozone.c

@@ -10488,9 +10488,7 @@ static void ozone_draw_header(
    if (timedate_enable)
    {
       gfx_display_ctx_datetime_t datetime;
-      char timedate[255];
-
-      timedate[0]             = '\0';
+      char timedate[256];
 
       datetime.s              = timedate;
       datetime.time_mode      = settings->uints.menu_timedate_style;

menu/drivers/xmb.c

@@ -6127,7 +6127,8 @@ static void xmb_frame(void *data, video_frame_info_t *video_info)
    if (timedate_enable)
    {
       gfx_display_ctx_datetime_t datetime;
-      char timedate[255];
+      char timedate[256];
+      size_t _len  = 0;
       size_t x_pos = 0;
 
       if (percent_width)
@@ -6169,10 +6170,10 @@ static void xmb_frame(void *data, video_frame_info_t *video_info)
       datetime.time_mode      = settings->uints.menu_timedate_style;
       datetime.date_separator = settings->uints.menu_timedate_date_separator;
 
-      menu_display_timedate(&datetime);
+      _len = menu_display_timedate(&datetime);
 
       title_header_max_width = x_pos + font_driver_get_message_width(
-            xmb->font, timedate, strlen(timedate), 1.0f);
+            xmb->font, timedate, _len, 1.0f);
 
       xmb_draw_text(shadows_enable, xmb, settings, timedate,
             video_width - xmb->margins_title_left - xmb->icon_size / 4 - x_pos,

menu/menu_driver.c

@@ -640,7 +640,7 @@ bool menu_entries_list_search(const char *needle, size_t *idx)
 /* Display the date and time - time_mode will influence how
  * the time representation will look like.
  * */
-void menu_display_timedate(gfx_display_ctx_datetime_t *datetime)
+size_t menu_display_timedate(gfx_display_ctx_datetime_t *datetime)
 {
    struct menu_state *menu_st  = &menu_driver_state;
 
@@ -1008,7 +1008,7 @@ void menu_display_timedate(gfx_display_ctx_datetime_t *datetime)
 
    /* Copy cached datetime string to input
     * menu_display_ctx_datetime_t struct */
-   strlcpy(datetime->s, menu_st->datetime_cache, datetime->len);
+   return strlcpy(datetime->s, menu_st->datetime_cache, datetime->len);
 }
 
 /* Display current (battery) power state */

menu/menu_driver.h

@@ -627,7 +627,7 @@ bool menu_driver_init(bool video_is_threaded);
 
 retro_time_t menu_driver_get_current_time(void);
 
-void menu_display_timedate(gfx_display_ctx_datetime_t *datetime);
+size_t menu_display_timedate(gfx_display_ctx_datetime_t *datetime);
 
 void menu_display_powerstate(gfx_display_ctx_powerstate_t *powerstate);