Chris Hofstaedtler
53 lines
1.2 KiB
C
53 lines
1.2 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_STRTOK_STRSEP2ARR_H_
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#define SHADOW_INCLUDE_LIB_STRING_STRTOK_STRSEP2ARR_H_
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#include <config.h>
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#include <errno.h>
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#include <stddef.h>
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#include <string.h>
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#include <sys/types.h>
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#include "attr.h"
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#include "sizeof.h"
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#define STRSEP2ARR(s, delim, a) \
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( \
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strsep2arr(s, delim, countof(a), a) == countof(a) ? 0 : -1 \
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)
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ATTR_ACCESS(read_write, 1) ATTR_ACCESS(write_only, 4, 3)
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ATTR_STRING(1) ATTR_STRING(2)
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inline ssize_t strsep2arr(char *s, const char *restrict delim,
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size_t n, char *a[restrict n]);
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// string separate to array-of-strings
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// strsep(3) a string into an array of strings.
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// Return the number of fields in the string, or -1 on error.
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inline ssize_t
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strsep2arr(char *s, const char *restrict delim, size_t n, char *a[restrict n])
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{
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size_t i;
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for (i = 0; i < n && s != NULL; i++)
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a[i] = strsep(&s, delim);
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if (s != NULL) {
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errno = E2BIG;
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return -1;
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}
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return i;
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}
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#endif // include guard
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