1 files changed, 78 insertions, 0 deletions
diff --git a/fitz/base_error.c b/fitz/base_error.c
new file mode 100644
index 00000000..926c48dc
--- /dev/null
+++ b/fitz/base_error.c
@@ -0,0 +1,78 @@
+#include <fitz.h>
+
+void
+fz_warn(char *fmt, ...)
+{
+	va_list ap;
+	fprintf(stderr, "warning: ");
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, "\n");
+}
+
+fz_error *
+fz_throw1(char *fmt, ...)
+{
+	va_list ap;
+	fz_error *eo;
+
+	eo = fz_malloc(sizeof(fz_error));
+	if (!eo) return fz_outofmem;
+
+	eo->refs = 1;
+	strlcpy(eo->func, "unknown", sizeof eo->func);
+	strlcpy(eo->file, "unknown", sizeof eo->file);
+	eo->line = 0;
+
+	va_start(ap, fmt);
+	vsnprintf(eo->msg, sizeof eo->msg, fmt, ap);
+	eo->msg[sizeof(eo->msg) - 1] = '\0';
+	va_end(ap);
+
+	return eo;
+}
+
+fz_error *
+fz_throw0(const char *func, const char *file, int line, char *fmt, ...)
+{
+	va_list ap;
+	fz_error *eo;
+
+	eo = fz_malloc(sizeof(fz_error));
+	if (!eo) return fz_outofmem;
+
+	eo->refs = 1;
+	strlcpy(eo->func, func, sizeof eo->func);
+	strlcpy(eo->file, file, sizeof eo->file);
+	eo->line = line;
+
+	va_start(ap, fmt);
+	vsnprintf(eo->msg, sizeof eo->msg, fmt, ap);
+	eo->msg[sizeof(eo->msg) - 1] = '\0';
+	va_end(ap);
+
+	if (getenv("BOMB"))
+		fz_abort(eo);
+
+	return eo;
+}
+
+void
+fz_droperror(fz_error *eo)
+{
+	if (eo->refs > 0)
+		eo->refs--;
+	if (eo->refs == 0)
+		fz_free(eo);
+}
+
+void
+fz_abort(fz_error *eo)
+{
+	fflush(stdout);
+	fprintf(stderr, "%s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
+	fflush(stderr);
+	abort();
+}
+