| /* Multiline error-reporting functions. |
| Copyright (C) 2001-2003, 2006, 2019 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 <https://www.gnu.org/licenses/>. */ |
| |
| |
| #include <config.h> |
| |
| /* Specification. */ |
| #include "xerror.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "error.h" |
| #include "error-progname.h" |
| #include "mbswidth.h" |
| #if IN_LIBGETTEXTPO |
| # include "getprogname.h" |
| # define program_name getprogname () |
| #else |
| # include "progname.h" |
| #endif |
| |
| /* 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); |
| } |