fix jump buffer type

[xonotic/darkplaces.git] / image_png.c

diff --git a/image_png.c b/image_png.c
index f1ac5458a8f5b657f2b6056987245cb8faa38391..3965a50e1ca8ea6fdb5299943ed70838438c34d3 100644 (file)
--- a/image_png.c
+++ b/image_png.c
@@ -30,6 +30,21 @@
 #include "image.h"
 #include "image_png.h"
 
+/*
+#ifdef __cplusplus
+#ifdef WIN64
+typedef _JBTYPE *qpng_jmpbuf_t;
+#elif defined(MACOSX) || defined(WIN32)
+typedef int *qpng_jmpbuf_t;
+#else
+typedef __jmp_buf_tag *qpng_jmpbuf_t;
+#endif
+#else
+typedef void *qpng_jmpbuf_t;
+#endif
+*/
+typedef jmp_buf qpng_jmpbuf_t;
+
 static void                            (*qpng_set_sig_bytes)           (void*, int);
 static int                             (*qpng_sig_cmp)                         (const unsigned char*, size_t, size_t);
 static void*                   (*qpng_create_read_struct)      (const char*, void*, void(*)(void *png, const char *message), void(*)(void *png, const char *message));
@@ -63,6 +78,7 @@ static unsigned int                   (*qpng_access_version_number)           (void); // FIXME is this re
 static void                            (*qpng_write_info)                      (void*, void*);
 static void                            (*qpng_write_row)                       (void*, unsigned char*);
 static void                            (*qpng_write_end)                       (void*, void*);
+static qpng_jmpbuf_t                   (*qpng_jmpbuf)          (void*);
 
 static dllfunction_t pngfuncs[] =
 {
@@ -99,6 +115,7 @@ static dllfunction_t pngfuncs[] =
        {"png_write_info",                      (void **) &qpng_write_info},
        {"png_write_row",                       (void **) &qpng_write_row},
        {"png_write_end",                       (void **) &qpng_write_end},
+       {"png_jmpbuf",          (void **) &qpng_jmpbuf},
        {NULL, NULL}
 };
 
@@ -126,13 +143,18 @@ qboolean PNG_OpenLibrary (void)
        const char* dllnames [] =
        {
 #if WIN32
+               "libpng15-15.dll",
+               "libpng15.dll",
+               "libpng14-14.dll",
                "libpng14.dll",
                "libpng12.dll",
 #elif defined(MACOSX)
-               "libpng14.0.dylib",
+               "libpng15.15.dylib",
+               "libpng14.14.dylib",
                "libpng12.0.dylib",
 #else
-               "libpng14.so.0",
+               "libpng15.so.15", // WTF libtool guidelines anyone?
+               "libpng14.so.14", // WTF libtool guidelines anyone?
                "libpng12.so.0",
                "libpng.so", // FreeBSD
 #endif
@@ -169,7 +191,8 @@ void PNG_CloseLibrary (void)
 */
 
 #define PNG_LIBPNG_VER_STRING_12 "1.2.4"
-#define PNG_LIBPNG_VER_STRING_14 "1.4.1"
+#define PNG_LIBPNG_VER_STRING_14 "1.4.0"
+#define PNG_LIBPNG_VER_STRING_15 "1.5.0"
 
 #define PNG_COLOR_MASK_PALETTE    1
 #define PNG_COLOR_MASK_COLOR      2
@@ -216,7 +239,7 @@ static struct
 } my_png;
 
 //LordHavoc: removed __cdecl prefix, added overrun protection, and rewrote this to be more efficient
-void PNG_fReadData(void *png, unsigned char *data, size_t length)
+static void PNG_fReadData(void *png, unsigned char *data, size_t length)
 {
        size_t l;
        l = my_png.tmpBuflength - my_png.tmpi;
@@ -233,21 +256,21 @@ void PNG_fReadData(void *png, unsigned char *data, size_t length)
        //Com_HexDumpToConsole(data, (int)length);
 }
 
-void PNG_fWriteData(void *png, unsigned char *data, size_t length)
+static void PNG_fWriteData(void *png, unsigned char *data, size_t length)
 {
        FS_Write(my_png.outfile, data, length);
 }
 
-void PNG_fFlushData(void *png)
+static void PNG_fFlushData(void *png)
 {
 }
 
-void PNG_error_fn(void *png, const char *message)
+static void PNG_error_fn(void *png, const char *message)
 {
        Con_Printf("PNG_LoadImage: error: %s\n", message);
 }
 
-void PNG_warning_fn(void *png, const char *message)
+static void PNG_warning_fn(void *png, const char *message)
 {
        Con_Printf("PNG_LoadImage: warning: %s\n", message);
 }
@@ -255,7 +278,7 @@ void PNG_warning_fn(void *png, const char *message)
 extern int     image_width;
 extern int     image_height;
 
-unsigned char *PNG_LoadImage_BGRA (const unsigned char *raw, int filesize)
+unsigned char *PNG_LoadImage_BGRA (const unsigned char *raw, int filesize, int *miplevel)
 {
        unsigned int c;
        unsigned int    y;
@@ -272,7 +295,9 @@ unsigned char *PNG_LoadImage_BGRA (const unsigned char *raw, int filesize)
        if(qpng_sig_cmp(raw, 0, filesize))
                return NULL;
        png = (void *)qpng_create_read_struct(
-               (qpng_access_version_number() / 100 == 102) ? PNG_LIBPNG_VER_STRING_12 : PNG_LIBPNG_VER_STRING_14, // nasty hack to support both libpng12 and libpng14
+               (qpng_access_version_number() / 100 == 102) ? PNG_LIBPNG_VER_STRING_12 :
+               (qpng_access_version_number() / 100 == 104) ? PNG_LIBPNG_VER_STRING_14 :
+               PNG_LIBPNG_VER_STRING_15, // nasty hack... whatever
                0, PNG_error_fn, PNG_warning_fn
        );
        if(!png)
@@ -284,15 +309,7 @@ unsigned char *PNG_LoadImage_BGRA (const unsigned char *raw, int filesize)
 
        // NOTE: this relies on jmp_buf being the first thing in the png structure
        // created by libpng! (this is correct for libpng 1.2.x)
-#ifdef __cplusplus
-#if defined(MACOSX) || defined(WIN32)
-       if (setjmp((int *)png))
-#else
-       if (setjmp((__jmp_buf_tag *)png))
-#endif
-#else
-       if (setjmp(png))
-#endif
+       if (setjmp(qpng_jmpbuf(png)))
        {
                if (my_png.Data)
                        Mem_Free(my_png.Data);
@@ -478,7 +495,9 @@ qboolean PNG_SaveImage_preflipped (const char *filename, int width, int height,
        // NOTE: this relies on jmp_buf being the first thing in the png structure
        // created by libpng! (this is correct for libpng 1.2.x)
 #ifdef __cplusplus
-#if defined(MACOSX) || defined(WIN32)
+#ifdef WIN64
+       if (setjmp((_JBTYPE *)png))
+#elif defined(MACOSX) || defined(WIN32)
        if (setjmp((int *)png))
 #else
        if (setjmp((__jmp_buf_tag *)png))