Add ftstdlib.h

include/ftstdlib.h

@@ -0,0 +1,183 @@
+/****************************************************************************
+ *
+ * ftstdlib.h
+ *
+ *   ANSI-specific library and header configuration file (specification
+ *   only).
+ *
+ * Copyright (C) 2002-2020 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT.  By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+  /**************************************************************************
+   *
+   * This file is used to group all `#includes` to the ANSI~C library that
+   * FreeType normally requires.  It also defines macros to rename the
+   * standard functions within the FreeType source code.
+   *
+   * Load a file which defines `FTSTDLIB_H_` before this one to override it.
+   *
+   */
+
+
+#ifndef FTSTDLIB_H_
+#define FTSTDLIB_H_
+
+
+#include <stddef.h>
+#include "hasp_mem.h"
+
+typedef void hasp_FILE;
+
+extern hasp_FILE * lv_ft_fopen(const char * filename, const char * mode );
+extern int lv_ft_fclose(hasp_FILE * stream);
+extern size_t lv_ft_fread(void * ptr, size_t size, size_t count, hasp_FILE * stream);
+extern int lv_ft_fseek(hasp_FILE * stream, long int offset, int origin );
+extern int lv_ft_ftell(hasp_FILE * stream);
+
+#define ft_ptrdiff_t  ptrdiff_t
+
+  /**************************************************************************
+   *
+   *                          integer limits
+   *
+   * `UINT_MAX` and `ULONG_MAX` are used to automatically compute the size of
+   * `int` and `long` in bytes at compile-time.  So far, this works for all
+   * platforms the library has been tested on.
+   *
+   * Note that on the extremely rare platforms that do not provide integer
+   * types that are _exactly_ 16 and 32~bits wide (e.g., some old Crays where
+   * `int` is 36~bits), we do not make any guarantee about the correct
+   * behaviour of FreeType~2 with all fonts.
+   *
+   * In these cases, `ftconfig.h` will refuse to compile anyway with a
+   * message like 'couldn't find 32-bit type' or something similar.
+   *
+   */
+
+
+#include <limits.h>
+
+#define FT_CHAR_BIT    CHAR_BIT
+#define FT_USHORT_MAX  USHRT_MAX
+#define FT_INT_MAX     INT_MAX
+#define FT_INT_MIN     INT_MIN
+#define FT_UINT_MAX    UINT_MAX
+#define FT_LONG_MIN    LONG_MIN
+#define FT_LONG_MAX    LONG_MAX
+#define FT_ULONG_MAX   ULONG_MAX
+
+
+  /**************************************************************************
+   *
+   *                character and string processing
+   *
+   */
+
+
+#include <string.h>
+
+#define ft_memchr   memchr
+#define ft_memcmp   memcmp
+#define ft_memcpy   memcpy
+#define ft_memmove  memmove
+#define ft_memset   memset
+#define ft_strcat   strcat
+#define ft_strcmp   strcmp
+#define ft_strcpy   strcpy
+#define ft_strlen   strlen
+#define ft_strncmp  strncmp
+#define ft_strncpy  strncpy
+#define ft_strrchr  strrchr
+#define ft_strstr   strstr
+
+
+  /**************************************************************************
+   *
+   *                          file handling
+   *
+   */
+
+
+#include <stdio.h>
+
+#define FT_FILE     hasp_FILE
+#define ft_fclose   lv_ft_fclose
+#define ft_fopen    lv_ft_fopen
+#define ft_fread    lv_ft_fread
+#define ft_fseek    lv_ft_fseek
+#define ft_ftell    lv_ft_ftell
+#define ft_sprintf  sprintf
+
+
+  /**************************************************************************
+   *
+   *                            sorting
+   *
+   */
+
+
+#include <stdlib.h>
+
+#define ft_qsort  qsort
+
+
+  /**************************************************************************
+   *
+   *                       memory allocation
+   *
+   */
+
+
+#define ft_scalloc   hasp_calloc
+#define ft_sfree     hasp_free
+#define ft_smalloc   hasp_malloc
+#define ft_srealloc  hasp_realloc
+
+
+  /**************************************************************************
+   *
+   *                         miscellaneous
+   *
+   */
+
+
+#define ft_strtol  strtol
+#define ft_getenv  getenv
+
+
+  /**************************************************************************
+   *
+   *                        execution control
+   *
+   */
+
+
+#include <setjmp.h>
+
+#define ft_jmp_buf     jmp_buf  /* note: this cannot be a typedef since  */
+                                /*       `jmp_buf` is defined as a macro */
+                                /*       on certain platforms            */
+
+#define ft_longjmp     longjmp
+#define ft_setjmp( b ) setjmp( *(ft_jmp_buf*) &(b) ) /* same thing here */
+
+
+  /* The following is only used for debugging purposes, i.e., if   */
+  /* `FT_DEBUG_LEVEL_ERROR` or `FT_DEBUG_LEVEL_TRACE` are defined. */
+
+#include <stdarg.h>
+
+
+#endif /* FTSTDLIB_H_ */
+
+
+/* END */