void
fz_vprintf(fz_context *ctx, fz_output *out, const char *fmt, va_list old_args)
{
char buffer[256], *p = buffer;
int len;
va_list args;
if (!out) return;
/* First try using our fixed size buffer */
va_copy(args, old_args);
len = fz_vsnprintf(buffer, sizeof buffer, fmt, args);
va_copy_end(args);
/* If that failed, allocate a big enough buffer */
if (len > sizeof buffer)
{
p = fz_malloc(ctx, len);
va_copy(args, old_args);
fz_vsnprintf(p, len, fmt, args);
va_copy_end(args);
}
fz_try(ctx)
out->write(ctx, out->opaque, p, len);
fz_always(ctx)
if (p != buffer)
fz_free(ctx, p);
fz_catch(ctx)
fz_rethrow(ctx);
}
void fz_vwarn(fz_context *ctx, const char *fmt, va_list ap)
{
char buf[sizeof ctx->warn->message];
fz_vsnprintf(buf, sizeof buf, fmt, ap);
buf[sizeof(buf) - 1] = 0;
#ifdef USE_OUTPUT_DEBUG_STRING
OutputDebugStringA(buf);
OutputDebugStringA("\n");
#endif
#ifdef USE_ANDROID_LOG
__android_log_print(ANDROID_LOG_WARN, "libmupdf", "%s", buf);
#endif
if (!strcmp(buf, ctx->warn->message))
{
ctx->warn->count++;
}
else
{
fz_flush_warnings(ctx);
fprintf(stderr, "warning: %s\n", buf);
fz_strlcpy(ctx->warn->message, buf, sizeof ctx->warn->message);
ctx->warn->count = 1;
}
}
static void pdfapp_warn(pdfapp_t *app, const char *fmt, ...)
{
char buf[1024];
va_list ap;
va_start(ap, fmt);
fz_vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
buf[sizeof(buf)-1] = 0;
winwarn(app, buf);
}
