Oliver Tappe
338ddd836f
* add missing getsubopt() POSIX-function * added corresponding test git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38650 a95241bf-73f2-0310-859d-f6bbb57e9c96
40 lines
816 B
C++
40 lines
816 B
C++
/*
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* Copyright 2010, Oliver Tappe <[email protected]>.
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* Distributed under the terms of the MIT License.
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*/
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#include <stdlib.h>
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#include <string.h>
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int
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getsubopt(char** optionPtr, char* const* keys, char** valuePtr)
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{
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if (optionPtr == NULL || valuePtr == NULL)
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return -1;
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char* option = *optionPtr;
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if (*option == '\0')
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return -1;
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char* startOfNextOption = strchr(option, ',');
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if (startOfNextOption != NULL)
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*startOfNextOption++ = '\0';
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else
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startOfNextOption = option + strlen(option);
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*optionPtr = startOfNextOption;
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char* startOfValue = strchr(option, '=');
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if (startOfValue != NULL)
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*startOfValue++ = '\0';
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*valuePtr = startOfValue;
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for (int keyIndex = 0; keys[keyIndex] != NULL; ++keyIndex) {
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if (strcmp(option, keys[keyIndex]) == 0)
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return keyIndex;
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}
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return -1;
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}
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