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plug possible memory leak. from openbsd

This commit is contained in:
itojun 2003-09-08 16:19:40 +00:00
parent 2bfde7f903
commit 0676396691
1 changed files with 32 additions and 2 deletions
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34
lib/libutil/login_cap.c
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@ -1,4 +1,4 @@
/* $NetBSD: login_cap.c,v 1.11 2001/07/22 13:34:01 wiz Exp $ */
/* $NetBSD: login_cap.c,v 1.12 2003/09/08 16:19:40 itojun Exp $ */
/*-
* Copyright (c) 1995,1997 Berkeley Software Design, Inc. All rights reserved.
@ -36,7 +36,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: login_cap.c,v 1.11 2001/07/22 13:34:01 wiz Exp $");
__RCSID("$NetBSD: login_cap.c,v 1.12 2003/09/08 16:19:40 itojun Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
@ -168,16 +168,22 @@ login_getcapstr(login_cap_t *lc, char *cap, char *def, char *e)
switch (status = cgetstr(lc->lc_cap, cap, &res)) {
case -1:
if (res)
free(res);
return (def);
case -2:
syslog(LOG_ERR, "%s: getting capability %s: %m",
lc->lc_class, cap);
if (res)
free(res);
return (e);
default:
if (status >= 0)
return (res);
syslog(LOG_ERR, "%s: unexpected error with capability %s",
lc->lc_class, cap);
if (res)
free(res);
return (e);
}
}
@ -198,11 +204,15 @@ login_getcaptime(login_cap_t *lc, char *cap, quad_t def, quad_t e)
switch (status = cgetstr(lc->lc_cap, cap, &res)) {
case -1:
if (res)
free(res);
return (def);
case -2:
syslog(LOG_ERR, "%s: getting capability %s: %m",
lc->lc_class, cap);
errno = ERANGE;
if (res)
free(res);
return (e);
default:
if (status >= 0)
@ -210,6 +220,8 @@ login_getcaptime(login_cap_t *lc, char *cap, quad_t def, quad_t e)
syslog(LOG_ERR, "%s: unexpected error with capability %s",
lc->lc_class, cap);
errno = ERANGE;
if (res)
free(res);
return (e);
}
@ -228,6 +240,7 @@ invalid:
syslog(LOG_ERR, "%s:%s=%s: invalid time",
lc->lc_class, cap, sres);
errno = ERANGE;
free(sres);
return (e);
}
switch (*ep++) {
@ -257,6 +270,7 @@ invalid:
res = ep;
q += r;
}
free(sres);
return (q);
}
@ -276,11 +290,15 @@ login_getcapnum(login_cap_t *lc, char *cap, quad_t def, quad_t e)
switch (status = cgetstr(lc->lc_cap, cap, &res)) {
case -1:
if (res)
free(res);
return (def);
case -2:
syslog(LOG_ERR, "%s: getting capability %s: %m",
lc->lc_class, cap);
errno = ERANGE;
if (res)
free(res);
return (e);
default:
if (status >= 0)
@ -288,6 +306,8 @@ login_getcapnum(login_cap_t *lc, char *cap, quad_t def, quad_t e)
syslog(LOG_ERR, "%s: unexpected error with capability %s",
lc->lc_class, cap);
errno = ERANGE;
if (res)
free(res);
return (e);
}
@ -301,8 +321,10 @@ login_getcapnum(login_cap_t *lc, char *cap, quad_t def, quad_t e)
syslog(LOG_ERR, "%s:%s=%s: invalid number",
lc->lc_class, cap, res);
errno = ERANGE;
free(res);
return (e);
}
free(res);
return (q);
}
@ -323,11 +345,15 @@ login_getcapsize(login_cap_t *lc, char *cap, quad_t def, quad_t e)
switch (status = cgetstr(lc->lc_cap, cap, &res)) {
case -1:
if (res)
free(res);
return (def);
case -2:
syslog(LOG_ERR, "%s: getting capability %s: %m",
lc->lc_class, cap);
errno = ERANGE;
if (res)
free(res);
return (e);
default:
if (status >= 0)
@ -335,6 +361,8 @@ login_getcapsize(login_cap_t *lc, char *cap, quad_t def, quad_t e)
syslog(LOG_ERR, "%s: unexpected error with capability %s",
lc->lc_class, cap);
errno = ERANGE;
if (res)
free(res);
return (e);
}
@ -345,8 +373,10 @@ login_getcapsize(login_cap_t *lc, char *cap, quad_t def, quad_t e)
syslog(LOG_ERR, "%s:%s=%s: invalid size",
lc->lc_class, cap, res);
errno = ERANGE;
free(res);
return (e);
}
free(res);
return (q);
}