Mercurial > hg > CbC > CbC_gcc

annotate libiberty/strnlen.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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111
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1 /* Portable version of strnlen.
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2 This function is in the public domain. */
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3
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4 /*
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5
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6 @deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
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7
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8 Returns the length of @var{s}, as with @code{strlen}, but never looks
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9 past the first @var{maxlen} characters in the string. If there is no
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10 '\0' character in the first @var{maxlen} characters, returns
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11 @var{maxlen}.
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12
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13 @end deftypefn
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14
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15 */
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16
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17 #include "config.h"
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18
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19 #include <stddef.h>
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20
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21 size_t
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22 strnlen (const char *s, size_t maxlen)
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23 {
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24 size_t i;
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25
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26 for (i = 0; i < maxlen; ++i)
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27 if (s[i] == '\0')
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28 break;
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29 return i;
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30 }