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* grp.cc (class grp_check): New class. Make `group_state'

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a member of class grp_check.
        (read_etc_group): Free former allocated memory on reread.
        * passwd.cc (class pwd_check): New class Make `passwd_state'
        a member of class pwd_check.
        (read_etc_passwd): Free former allocated memory on reread.
This commit is contained in:
Corinna Vinschen
2001-08-07 08:56:22 +00:00
parent 300624d4f3
commit f5e8e2be4a
3 changed files with 111 additions and 2 deletions
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53
winsup/cygwin/grp.cc
View File

@@ -23,6 +23,7 @@ details. */
#include "security.h"
#include "fhandler.h"
#include "dtable.h"
#include "path.h"
#include "cygheap.h"
#include "cygerrno.h"
@@ -51,7 +52,47 @@ enum grp_state {
emulated,
loaded
};
static grp_state group_state = uninitialized;
class grp_check {
grp_state state;
FILETIME last_modified;
char grp_w32[MAX_PATH];
public:
grp_check () : state (uninitialized)
{
last_modified.dwLowDateTime = last_modified.dwHighDateTime = 0;
grp_w32[0] = '\0';
}
operator grp_state ()
{
HANDLE h;
WIN32_FIND_DATA data;
if (!grp_w32[0]) /* First call. */
{
path_conv g ("/etc/group", PC_SYM_FOLLOW | PC_FULL);
if (!g.error)
strcpy (grp_w32, g.get_win32 ());
}
if ((h = FindFirstFile (grp_w32, &data)) != INVALID_HANDLE_VALUE)
{
if (CompareFileTime (&data.ftLastWriteTime, &last_modified) > 0)
{
state = uninitialized;
last_modified = data.ftLastWriteTime;
}
FindClose (h);
}
return state;
}
void operator = (grp_state nstate)
{
state = nstate;
}
};
static grp_check group_state;
static int
parse_grp (struct group &grp, const char *line)
@@ -153,6 +194,16 @@ read_etc_group ()
if (group_state != initializing)
{
group_state = initializing;
if (max_lines) /* When rereading, free allocated memory first. */
{
for (int i = 0; i < curr_lines; ++i)
{
free (group_buf[i].gr_name);
free (group_buf[i].gr_mem);
}
free (group_buf);
curr_lines = max_lines = 0;
}
FILE *f = fopen (etc_group, "rt");