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Add conditional compilation for fopencookie vs fwopen

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This commit is contained in:
Bruce Hill 2025-03-28 14:05:16 -04:00
parent af286f7e6f
commit dbe89a3b89
1 changed files with 15 additions and 0 deletions
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15
src/stdlib/print.c
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@ -51,6 +51,12 @@ int _print_quoted(FILE *f, quoted_t quoted)
return printed;
}
#if defined(__GLIBC__) && defined(_GNU_SOURCE)
#define HAS_FOPENCOOKIE 1
#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#define HAS_FUNOPEN 1
#endif
static ssize_t _gc_stream_write(void *cookie, const char *buf, size_t size) {
gc_stream_t *stream = (gc_stream_t *)cookie;
if (stream->position + size + 1 > *stream->size)
@ -69,8 +75,17 @@ FILE *gc_memory_stream(char **buf, size_t *size) {
*stream->buffer = GC_MALLOC_ATOMIC(*stream->size);
(*stream->buffer)[0] = '\0';
stream->position = 0;
#ifdef HAS_FOPENCOOKIE
cookie_io_functions_t functions = {.write = _gc_stream_write};
return fopencookie(stream, "w", functions);
#else
#ifdef HAS_FUNOPEN
return fwopen(stream, _gc_stream_write);
#else
#error "This platform does not support fopencookie() or funopen()!"
#endif
#endif
}
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0