Mercurial > trustbridge > nss-cmake-static

annotate nspr/lib/libc/src/strlen.c @ 4:b513267f632f tip

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Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 /* This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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5
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6 #include "plstr.h"
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7 #include "prtypes.h"
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8 #include "prlog.h"
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9 #include <string.h>
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10
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11 PR_IMPLEMENT(PRUint32)
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12 PL_strlen(const char *str)
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13 {
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14 size_t l;
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15
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16 if( (const char *)0 == str ) return 0;
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17
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18 l = strlen(str);
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19
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20 /* error checking in case we have a 64-bit platform -- make sure
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21 * we don't have ultra long strings that overflow an int32
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22 */
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23 if( sizeof(PRUint32) < sizeof(size_t) )
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24 {
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25 if( l > PR_INT32_MAX )
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26 PR_Assert("l <= PR_INT32_MAX", __FILE__, __LINE__);
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27 }
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28
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29 return (PRUint32)l;
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30 }
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31
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32 PR_IMPLEMENT(PRUint32)
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33 PL_strnlen(const char *str, PRUint32 max)
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34 {
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35 register const char *s;
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36
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37 if( (const char *)0 == str ) return 0;
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38 for( s = str; max && *s; s++, max-- )
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39 ;
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40
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41 return (PRUint32)(s - str);
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42 }
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