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5369ad7566
Fix places where spaces were used instead of tabs. No functional change. Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
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// SPDX-License-Identifier: BSD-3-Clause
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#ifndef SHADOW_INCLUDE_LIB_STRING_STRCMP_STRPREFIX_H_
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#define SHADOW_INCLUDE_LIB_STRING_STRCMP_STRPREFIX_H_
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#include "config.h"
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#include <stddef.h>
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#include <string.h>
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#include "attr.h"
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#include "cast.h"
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// string prefix
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#define strprefix(s, prefix) \
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({ \
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const char *p_; \
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\
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p_ = strprefix_(s, prefix); \
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\
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_Generic(s, \
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const char *: p_, \
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const void *: p_, \
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char *: const_cast(char *, p_), \
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void *: const_cast(char *, p_) \
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); \
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})
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ATTR_STRING(1)
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ATTR_STRING(2)
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inline const char *strprefix_(const char *s, const char *prefix);
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/*
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* Return NULL if s does not start with prefix.
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* Return `s + strlen(prefix)` if s starts with prefix.
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*/
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inline const char *
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strprefix_(const char *s, const char *prefix)
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{
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if (strncmp(s, prefix, strlen(prefix)) != 0)
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return NULL;
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return s + strlen(prefix);
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}
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#endif // include guard
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