diff options
Diffstat (limited to 'src/diag.c')
-rw-r--r-- | src/diag.c | 73 |
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++; +} + + |