diff options
Diffstat (limited to 'gettext-tools/gnulib-lib/xerror.c')
-rw-r--r-- | gettext-tools/gnulib-lib/xerror.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/gettext-tools/gnulib-lib/xerror.c b/gettext-tools/gnulib-lib/xerror.c new file mode 100644 index 0000000..b803f48 --- /dev/null +++ b/gettext-tools/gnulib-lib/xerror.c @@ -0,0 +1,96 @@ +/* Multiline error-reporting functions. + Copyright (C) 2001-2003, 2006 Free Software Foundation, Inc. + Written by Bruno Haible <haible@clisp.cons.org>, 2001. + + This program 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. + + This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ + + +#include <config.h> + +/* Specification. */ +#include "xerror.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "error.h" +#include "progname.h" +#include "error-progname.h" +#include "mbswidth.h" + +/* Emit a multiline warning to stderr, consisting of MESSAGE, with the + first line prefixed with PREFIX and the remaining lines prefixed with + the same amount of spaces. Reuse the spaces of the previous call if + PREFIX is NULL. Free the PREFIX and MESSAGE when done. */ +void +multiline_warning (char *prefix, char *message) +{ + static int width; + const char *cp; + int i; + + fflush (stdout); + + cp = message; + + if (prefix != NULL) + { + width = 0; + if (error_with_progname) + { + fprintf (stderr, "%s: ", program_name); + width += mbswidth (program_name, 0) + 2; + } + fputs (prefix, stderr); + width += mbswidth (prefix, 0); + free (prefix); + goto after_indent; + } + + for (;;) + { + const char *np; + + for (i = width; i > 0; i--) + putc (' ', stderr); + + after_indent: + np = strchr (cp, '\n'); + + if (np == NULL || np[1] == '\0') + { + fputs (cp, stderr); + break; + } + + np++; + fwrite (cp, 1, np - cp, stderr); + cp = np; + } + + free (message); +} + +/* Emit a multiline error to stderr, consisting of MESSAGE, with the + first line prefixed with PREFIX and the remaining lines prefixed with + the same amount of spaces. Reuse the spaces of the previous call if + PREFIX is NULL. Free the PREFIX and MESSAGE when done. */ +void +multiline_error (char *prefix, char *message) +{ + if (prefix != NULL) + ++error_message_count; + multiline_warning (prefix, message); +} |