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handle fopen() failing

This commit is contained in:
Sean Barrett 2015-09-14 05:40:12 -07:00
parent ad63a8d316
commit 78fe0bfc24
1 changed files with 20 additions and 16 deletions
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36
stb_image_write.h
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@ -197,10 +197,11 @@ static int stbi__stdio_write(void *user, void *data, int size)
return (int) fwrite(data,1,size,(FILE*) user);
}
static void stbi__start_write_file(stbi__write_context *s, const char *filename)
static int stbi__start_write_file(stbi__write_context *s, const char *filename)
{
FILE *f = fopen(filename, "wb");
stbi__start_write_callbacks(s, &stbi__stdio_write, (void *) f);
return f != NULL;
}
static void stbi__end_write_file(stbi__write_context *s)
@ -353,12 +354,13 @@ STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x,
#ifndef STBI_WRITE_NO_STDIO
STBIWDEF int stbi_write_bmp(char const *filename, int x, int y, int comp, const void *data)
{
int r;
stbi__write_context s;
stbi__start_write_file(&s,filename);
r = stbi_write_bmp_core(&s, x, y, comp, data);
stbi__end_write_file(&s);
return r;
if (stbi__start_write_file(&s,filename)) {
int r = stbi_write_bmp_core(&s, x, y, comp, data);
stbi__end_write_file(&s);
return r;
} else
return 0;
}
#endif //!STBI_WRITE_NO_STDIO
@ -440,12 +442,13 @@ int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, i
#ifndef STBI_WRITE_NO_STDIO
int stbi_write_tga_to_file(char const *filename, int x, int y, int comp, const void *data)
{
int r;
stbi__write_context s;
stbi__start_write_file(&s,filename);
r = stbi_write_tga_core(&s, x, y, comp, (void *) data);
stbi__end_write_file(&s);
return r;
if (stbi__start_write_file(&s,filename)) {
int r = stbi_write_tga_core(&s, x, y, comp, (void *) data);
stbi__end_write_file(&s);
return r;
} else
return 0;
}
#endif
@ -609,12 +612,13 @@ int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, i
int stbi_write_hdr_to_file(char const *filename, int x, int y, int comp, const float *data)
{
int r;
stbi__write_context s;
stbi__start_write_file(&s,filename);
r = stbi_write_hdr_core(&s, x, y, comp, (float *) data);
stbi__end_write_file(&s);
return r;
if (stbi__start_write_file(&s,filename)) {
int r = stbi_write_hdr_core(&s, x, y, comp, (float *) data);
stbi__end_write_file(&s);
return r;
} else
return 0;
}
#endif // STBI_WRITE_NO_STDIO