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gettext-runtime/libasprintf/vasprintf.c
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Bruno Haible
Update "Written by ..." lines and authorship notices in source files.
27 янв 2026, 07:43
27 янв 2026, 07:43
c261578
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/* Formatted output to strings. Copyright (C) 1999-2026 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Bruno Haible. */ #include <config.h> /* Specification. */ #ifdef IN_LIBASPRINTF # include "vasprintf.h" #else # include <stdio.h> #endif #include <errno.h> #include <limits.h> #include <stdlib.h> #include "vasnprintf.h" /* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */ #ifndef EOVERFLOW # define EOVERFLOW E2BIG #endif int vasprintf (char **resultp, const char *format, va_list args) { size_t length; char *result = vasnprintf (NULL, &length, format, args); if (result == NULL) return -1; if (length > INT_MAX) { free (result); errno = EOVERFLOW; return -1; } *resultp = result; /* Return the number of resulting bytes, excluding the trailing NUL. */ return length; }