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56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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Serval string primitives
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Copyright (C) 2012 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include "str.h"
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#include "log.h"
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int str_startswith(char *str, const char *substring, char **afterp)
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{
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while (*substring && *substring == *str)
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++substring, ++str;
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if (*substring)
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return 0;
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if (afterp)
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*afterp = str;
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return 1;
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}
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int strcase_startswith(char *str, const char *substring, char **afterp)
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{
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while (*substring && *str && toupper(*substring) == toupper(*str))
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++substring, ++str;
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if (*substring)
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return 0;
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if (afterp)
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*afterp = str;
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return 1;
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}
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/* Like strstr() but doesn't depend on null termination */
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const char *str_str(const char *s1,const char *s2,int s1len)
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{
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int s2len=strlen(s2);
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for(;*s1&&(s1len--);s1++)
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if (!strncmp(s1,s2,s2len)) return s1;
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return NULL;
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}
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