1 files changed, 71 insertions, 0 deletions
diff --git a/fitz/base_error.c b/fitz/base_error.c
new file mode 100644
index 00000000..461ffc60
--- /dev/null
+++ b/fitz/base_error.c
@@ -0,0 +1,71 @@
+#include "fitz-base.h"
+
+void
+fz_droperror(fz_error *eo)
+{
+    if (eo->cause)
+	fz_droperror(eo->cause);
+    fz_free(eo);
+}
+
+void
+fz_printerror(fz_error *eo)
+{
+#if 1
+    if (eo->cause)
+    {
+        fz_printerror(eo->cause);
+        fprintf(stderr, "| %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
+    }
+    else
+    {
+        fprintf(stderr, "+ %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
+    }
+#else
+    fprintf(stderr, "+ %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
+    eo = eo->cause;
+
+    while (eo)
+    {
+        fprintf(stderr, "| %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
+        eo = eo->cause;
+    }
+#endif
+}
+
+
+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_throwimp(fz_error *cause, 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; /* oops. we're *really* out of memory here. */
+
+    va_start(ap, fmt);
+    vsnprintf(eo->msg, sizeof eo->msg, fmt, ap);
+    eo->msg[sizeof(eo->msg) - 1] = '\0';
+    va_end(ap);
+
+    strlcpy(eo->func, func, sizeof eo->func);
+    strlcpy(eo->file, file, sizeof eo->file);
+    eo->line = line;
+
+    eo->cause = cause;
+
+    return eo;
+}
+