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msvcrt: Factor out wenv_get_index helper.

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Piotr Caban 2023-11-21 10:23:54 +01:00 • committed by Alexandre Julliard
parent ca7a1139a8
commit 55b18b143f
1 changed files with 17 additions and 14 deletions
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31
dlls/msvcrt/environ.c
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@ -38,6 +38,19 @@ static int env_get_index(const char *name)
return i;
}
static int wenv_get_index(const wchar_t *name)
{
int i, len;
len = wcslen(name);
for (i = 0; MSVCRT__wenviron[i]; i++)
{
if (!wcsncmp(name, MSVCRT__wenviron[i], len) && MSVCRT__wenviron[i][len] == '=')
return i;
}
return i;
}
static char * getenv_helper(const char *name)
{
int idx;
@ -61,27 +74,17 @@ char * CDECL getenv(const char *name)
static wchar_t * wgetenv_helper(const wchar_t *name)
{
wchar_t **env;
size_t len;
int idx;
if (!name) return NULL;
len = wcslen(name);
/* Initialize the _wenviron array if it's not already created. */
if (!MSVCRT__wenviron)
MSVCRT__wenviron = msvcrt_SnapshotOfEnvironmentW(NULL);
for (env = MSVCRT__wenviron; *env; env++)
{
wchar_t *str = *env;
wchar_t *pos = wcschr(str,'=');
if (pos && ((pos - str) == len) && !_wcsnicmp(str, name, len))
{
TRACE("(%s): got %s\n", debugstr_w(name), debugstr_w(pos + 1));
return pos + 1;
}
}
return NULL;
idx = wenv_get_index(name);
if (!MSVCRT__wenviron[idx]) return NULL;
return wcschr(MSVCRT__wenviron[idx], '=') + 1;
}
/*********************************************************************