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getpwuid(mingw): initialize the structure only once

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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2015-10-12 19:24:05 +00:00
parent 0d438c7f4e
commit 7b2c221bba
1 changed files with 18 additions and 7 deletions
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25
compat/mingw.c
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@@ -1770,16 +1770,27 @@ int mingw_getpagesize(void)
struct passwd *getpwuid(int uid)
{
static unsigned initialized;
static char user_name[100];
static struct passwd p;
static struct passwd *p;
DWORD len;
DWORD len = sizeof(user_name);
if (!GetUserName(user_name, &len))
if (initialized)
return p;
len = sizeof(user_name);
if (!GetUserName(user_name, &len)) {
initialized = 1;
return NULL;
p.pw_name = user_name;
p.pw_gecos = "unknown";
p.pw_dir = NULL;
return &p;
}
p = xmalloc(sizeof(*p));
p->pw_name = user_name;
p->pw_gecos = "unknown";
p->pw_dir = NULL;
initialized = 1;
return p;
}
static HANDLE timer_event;