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Fl_SVG_Image::fl_gzopen(): write it more platform-independently (still not completely though)

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12480 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy 2017-10-06 12:13:41 +00:00
parent 63420dd956
commit 784ff3b52d
1 changed files with 7 additions and 9 deletions
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16
src/Fl_SVG_Image.cxx
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@ -28,6 +28,9 @@
#include <stdlib.h>
#if defined(HAVE_LIBZ)
#include <zlib.h>
# ifdef _WIN32
# include <fcntl.h>
# endif
#endif
#if !defined(HAVE_LONG_LONG)
@ -79,18 +82,13 @@ float Fl_SVG_Image::svg_scaling_(int W, int H) {
/** Opens for reading a potentially gzip'ed file identified by a UTF-8 encoded filename. */
void* Fl_SVG_Image::fl_gzopen(const char *fname) {
#if defined(HAVE_LIBZ)
int flags = 0;
# ifdef _WIN32
unsigned wl = fl_utf8towc(fname, strlen(fname), NULL, 0) + 1;
wchar_t *wc = new wchar_t[wl];
fl_utf8towc(fname, strlen(fname), wc, wl);
gzFile gzf = gzopen_w(wc, "r");
delete[] wc;
return gzf;
# else
int fd = fl_open(fname, 0);
flags = _O_BINARY;
# endif
int fd = fl_open(fname, flags);
if (fd < 0) return NULL;
return gzdopen(fd, "r");
# endif
#else
return NULL;
#endif // HAVE_LIBZ