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Added compare_string().

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4184 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2003-08-01 23:59:56 +00:00
parent 84ba3a5265
commit a7ef3b5651
1 changed files with 24 additions and 0 deletions
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24
headers/private/kernel/disk_device_manager/KDiskDeviceUtils.h
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@ -55,6 +55,30 @@ set_string(char *&location, const char *newValue)
return error;
}
// compare_string
/*! \brief \c NULL aware strcmp().
\c NULL is considered the least of all strings. \c NULL equals \c NULL.
\param str1 First string.
\param str2 Second string.
\return A value less than 0, if \a str1 is less than \a str2,
0, if they are equal, or a value greater than 0, if
\a str1 is greater \a str2.
*/
static inline
int
compare_string(const char *str1, const char *str2)
{
if (str1 == NULL) {
if (str2 == NULL)
return 0;
return 1;
} else if (str2 == NULL)
return -1;
return strcmp(str1, str2);
}
// locking