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-rw-r--r--src/diag.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/diag.c b/src/diag.c
new file mode 100644
index 0000000..fcb8fd2
--- /dev/null
+++ b/src/diag.c
@@ -0,0 +1,73 @@
+/* grecs - Gray's Extensible Configuration System
+ Copyright (C) 2007-2011 Sergey Poznyakoff
+
+ Grecs is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+ Grecs is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with Grecs. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include <grecs.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+static void
+default_print_diag(grecs_locus_t *locus, int err, int errcode, const char *msg)
+{
+ if (locus)
+ fprintf(stderr, "%s:%d: ", locus->file, locus->line);
+ if (!err)
+ fprintf(stderr, "warning: ");
+ fprintf(stderr, "%s", msg);
+ if (errcode)
+ fprintf(stderr, ": %s", strerror(errno));
+ fputc('\n', stderr);
+}
+
+void (*grecs_print_diag_fun)(grecs_locus_t *, int, int, const char *msg) =
+ default_print_diag;
+
+void
+grecs_warning(grecs_locus_t *locus, int errcode, const char *fmt, ...)
+{
+ va_list ap;
+ char *buf = NULL;
+ size_t size = 0;
+
+ va_start(ap, fmt);
+ if (grecs_vasprintf(&buf, &size, fmt, ap))
+ grecs_alloc_die();
+ va_end(ap);
+ grecs_print_diag_fun(locus, 0, errcode, buf);
+ free(buf);
+}
+
+void
+grecs_error(grecs_locus_t *locus, int errcode, const char *fmt, ...)
+{
+ va_list ap;
+ char *buf = NULL;
+ size_t size = 0;
+
+ va_start(ap, fmt);
+ if (grecs_vasprintf(&buf, &size, fmt, ap))
+ grecs_alloc_die();
+ va_end(ap);
+ grecs_print_diag_fun(locus, 1, errcode, buf);
+ free(buf);
+ grecs_error_count++;
+}
+
+

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