kc3-lang/gnulib/lib/c-vasprintf.h

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• Hash : 7b089321
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  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• lib/c-vasprintf.h

• /* vasprintf and asprintf, in C locale.
     Copyright (C) 2002-2004, 2006-2025 Free Software Foundation, Inc.
  
     This file 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 file 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/>.  */
  
  #ifndef _C_VASPRINTF_H
  #define _C_VASPRINTF_H
  
  /* This file uses _GL_ATTRIBUTE_FORMAT, _GL_ATTRIBUTE_NODISCARD.  */
  #if !_GL_CONFIG_H_INCLUDED
   #error "Please include config.h first."
  #endif
  
  /* Get va_list.  */
  #include <stdarg.h>
  
  /* Get ptrdiff_t.  */
  #include <stddef.h>
  
  /* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD.  */
  #include <stdio.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* Prints formatted output to a string dynamically allocated with malloc().
     If the memory allocation succeeds, it stores the address of the string in
     *RESULT and returns the number of resulting bytes, excluding the trailing
     NUL.  Upon memory allocation error, or some other error, it returns -1
     with errno set.
  
     Failure code EOVERFLOW can only occur when a width > INT_MAX is used.
     Therefore, if the format string is valid and does not use %ls/%lc
     directives nor widths, the only possible failure code is ENOMEM.
  
     Formatting takes place in the C locale, that is, the decimal point
     used in floating-point formatting directives is always '.'. */
  _GL_ATTRIBUTE_NODISCARD
  ptrdiff_t c_aszprintf (char **resultp, const char *format, ...)
         _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 3));
  _GL_ATTRIBUTE_NODISCARD
  ptrdiff_t c_vaszprintf (char **resultp, const char *format, va_list args)
         _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 0));
  
  /* Prints formatted output to a string dynamically allocated with malloc().
     If the memory allocation succeeds, it stores the address of the string in
     *RESULT and returns the number of resulting bytes, excluding the trailing
     NUL.  Upon memory allocation error, or some other error, it returns -1.
  
     Formatting takes place in the C locale, that is, the decimal point
     used in floating-point formatting directives is always '.'. */
  _GL_ATTRIBUTE_NODISCARD
  int c_asprintf (char **resultp, const char *format, ...)
         _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 3));
  _GL_ATTRIBUTE_NODISCARD
  int c_vasprintf (char **resultp, const char *format, va_list args)
         _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 0));
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _C_VASPRINTF_H */
  

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