Pass errno as unsigned char

Signed-off-by: Laurent Bercot <ska@appnovation.com>

9 files changed, 16 insertions, 16 deletions

diff --git a/src/libnsss/nsss_switch_grp_getbygid.c b/src/libnsss/nsss_switch_grp_getbygid.c
index 8a4e7e3..d40235c 100644
--- a/src/libnsss/nsss_switch_grp_getbygid.c
+++ b/src/libnsss/nsss_switch_grp_getbygid.c
@@ -14,6 +14,6 @@ int nsss_switch_grp_getbygid (nsss_switch_t *a, struct group *gr, stralloc *sa,
   if (!ipc_timed_send(buffer_fd(&a->b), buf, 5, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
   if ((unsigned char)buf[0] == 255) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_grp_read(&a->b, gr, sa, ga, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_grp_getbyname.c b/src/libnsss/nsss_switch_grp_getbyname.c
index 086cdb1..2b7448a 100644
--- a/src/libnsss/nsss_switch_grp_getbyname.c
+++ b/src/libnsss/nsss_switch_grp_getbyname.c
@@ -19,6 +19,6 @@ int nsss_switch_grp_getbyname (nsss_switch_t *a, struct group *gr, stralloc *sa,
   if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
   if ((unsigned char)buf[0] == 255) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_grp_read(&a->b, gr, sa, ga, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_grp_getlist.c b/src/libnsss/nsss_switch_grp_getlist.c
index abd4d84..22fb156 100644
--- a/src/libnsss/nsss_switch_grp_getlist.c
+++ b/src/libnsss/nsss_switch_grp_getlist.c
@@ -61,6 +61,6 @@ int nsss_switch_grp_getlist (nsss_switch_t *a, char const *user, gid_t *gids, si
   uint32_pack_big(buf + 9, len + 1) ;
   if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_grouplist_read(&a->b, n, r, gids, sa, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_op.c b/src/libnsss/nsss_switch_op.c
index 77c49ed..7e9c1b3 100644
--- a/src/libnsss/nsss_switch_op.c
+++ b/src/libnsss/nsss_switch_op.c
@@ -8,9 +8,9 @@
 
 int nsss_switch_op (nsss_switch_t *a, char op, tain const *deadline, tain *stamp)
 {
-  char c ;
+  unsigned char c ;
   if (!ipc_timed_send(buffer_fd(&a->b), &op, 1, deadline, stamp)) return 0 ;
-  if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ;
+  if (!buffer_timed_get(&a->b, (char *)&c, 1, deadline, stamp)) return 0 ;
   if (c) return (errno = c, 0) ;
   return 1 ;
 }
diff --git a/src/libnsss/nsss_switch_pwd_get.c b/src/libnsss/nsss_switch_pwd_get.c
index 6b9c310..146e934 100644
--- a/src/libnsss/nsss_switch_pwd_get.c
+++ b/src/libnsss/nsss_switch_pwd_get.c
@@ -8,10 +8,10 @@
 
 int nsss_switch_pwd_get (nsss_switch_t *a, struct passwd *pw, stralloc *sa, tain const *deadline, tain *stamp)
 {
-  char c = NSSS_SWITCH_PWD_GET ;
-  if (!ipc_timed_send(buffer_fd(&a->b), &c, 1, deadline, stamp)) return 0 ;
-  if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ;
-  if ((unsigned char)c == 255) return 0 ;
+  unsigned char c = NSSS_SWITCH_PWD_GET ;
+  if (!ipc_timed_send(buffer_fd(&a->b), (char *)&c, 1, deadline, stamp)) return 0 ;
+  if (!buffer_timed_get(&a->b, (char *)&c, 1, deadline, stamp)) return 0 ;
+  if (c == 255) return 0 ;
   if (c) return (errno = c, 0) ;
   return nsss_switch_pwd_read(&a->b, pw, sa, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_pwd_getbyname.c b/src/libnsss/nsss_switch_pwd_getbyname.c
index 9b3d164..eea9923 100644
--- a/src/libnsss/nsss_switch_pwd_getbyname.c
+++ b/src/libnsss/nsss_switch_pwd_getbyname.c
@@ -19,6 +19,6 @@ int nsss_switch_pwd_getbyname (nsss_switch_t *a, struct passwd *pw, stralloc *sa
   if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
   if ((unsigned char)buf[0] == 255) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_pwd_read(&a->b, pw, sa, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_pwd_getbyuid.c b/src/libnsss/nsss_switch_pwd_getbyuid.c
index 3e95e9e..e5b5c8a 100644
--- a/src/libnsss/nsss_switch_pwd_getbyuid.c
+++ b/src/libnsss/nsss_switch_pwd_getbyuid.c
@@ -14,6 +14,6 @@ int nsss_switch_pwd_getbyuid (nsss_switch_t *a, struct passwd *pw, stralloc *sa,
   if (!ipc_timed_send(buffer_fd(&a->b), buf, 5, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
   if ((unsigned char)buf[0] == 255) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_pwd_read(&a->b, pw, sa, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_shadow_get.c b/src/libnsss/nsss_switch_shadow_get.c
index 27b1e70..a2fc431 100644
--- a/src/libnsss/nsss_switch_shadow_get.c
+++ b/src/libnsss/nsss_switch_shadow_get.c
@@ -8,10 +8,10 @@
 
 int nsss_switch_shadow_get (nsss_switch_t *a, struct spwd *sp, stralloc *sa, tain const *deadline, tain *stamp)
 {
-  char c = NSSS_SWITCH_SHADOW_GET ;
-  if (!ipc_timed_send(buffer_fd(&a->b), &c, 1, deadline, stamp)) return 0 ;
-  if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ;
-  if ((unsigned char)c == 255) return 0 ;
+  unsigned char c = NSSS_SWITCH_SHADOW_GET ;
+  if (!ipc_timed_send(buffer_fd(&a->b), (char *)&c, 1, deadline, stamp)) return 0 ;
+  if (!buffer_timed_get(&a->b, (char *)&c, 1, deadline, stamp)) return 0 ;
+  if (c == 255) return 0 ;
   if (c) return (errno = c, 0) ;
   return nsss_switch_shadow_read(&a->b, sp, sa, deadline, stamp) ;
 }
diff --git a/src/libnsss/nsss_switch_shadow_getbyname.c b/src/libnsss/nsss_switch_shadow_getbyname.c
index 5e91c5a..d5cf57a 100644
--- a/src/libnsss/nsss_switch_shadow_getbyname.c
+++ b/src/libnsss/nsss_switch_shadow_getbyname.c
@@ -19,6 +19,6 @@ int nsss_switch_shadow_getbyname (nsss_switch_t *a, struct spwd *sp, stralloc *s
   if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
   if ((unsigned char)buf[0] == 255) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_shadow_read(&a->b, sp, sa, deadline, stamp) ;
 }