83c8a2d3fa
As other x...() wrappers around functions that allocate, these wrappers are like [v]asprintf(3), but exit on failure. Reviewed-by: Iker Pedrosa <ipedrosa@redhat.com> Signed-off-by: Alejandro Colomar <alx@kernel.org>
56 lines
922 B
C
56 lines
922 B
C
/*
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* SPDX-FileCopyrightText: 2023, Alejandro Colomar <alx@kernel.org>
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SHADOW_INCLUDE_LIB_SPRINTF_H_
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#define SHADOW_INCLUDE_LIB_SPRINTF_H_
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#include <config.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdio.h>
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#include "defines.h"
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format_attr(printf, 2, 3)
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inline int xasprintf(char **restrict s, const char *restrict fmt, ...);
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format_attr(printf, 2, 0)
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inline int xvasprintf(char **restrict s, const char *restrict fmt, va_list ap);
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inline int
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xasprintf(char **restrict s, const char *restrict fmt, ...)
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{
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int len;
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va_list ap;
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va_start(ap, fmt);
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len = xvasprintf(s, fmt, ap);
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va_end(ap);
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return len;
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}
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inline int
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xvasprintf(char **restrict s, const char *restrict fmt, va_list ap)
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{
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int len;
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len = vasprintf(s, fmt, ap);
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if (len == -1) {
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perror("asprintf");
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exit(EXIT_FAILURE);
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}
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return len;
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}
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#endif // include guard
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