X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=cprogs%2Freally.c;h=f4cfa08692a99821f9309680d719da7d48456c47;hb=f0979352515324563d91f949eb123990dff35c36;hp=cce79462e96bda4a33b8367f82c199eb2bb74be6;hpb=fe05759ac0302e37341d4a4d67ec90b7cffeabab;p=chiark-utils.git

diff --git a/cprogs/really.c b/cprogs/really.c
index cce7946..f4cfa08 100644
--- a/cprogs/really.c
+++ b/cprogs/really.c
@@ -48,6 +48,15 @@ static const char *opt_user, *opt_useronly;
 static int opt_groupsclear= 0, opt_ngids= 0, opt_uidonly= -1;
 static int opt_gids[512];
 
+static void af_uidonly(const struct cmdinfo *cip, const char *value) {
+  unsigned long ul;
+  char *ep;
+
+  ul= strtoul(value,&ep,10);
+  if (*ep) { fprintf(stderr,"bad uid `%s'\n",value); exit(-1); }
+  opt_uidonly= ul;
+}
+
 static void af_group(const struct cmdinfo *cip, const char *value) {
   struct group *gr;
 
@@ -76,7 +85,7 @@ static void af_help(const struct cmdinfo *cip, const char *value) {
 static const struct cmdinfo cmdinfos[]= {
   { "user",         'u',  1,  0, &opt_user,          0,           },
   { "useronly",     'i',  1,  0, &opt_useronly,      0            },
-  { "uidonly",      'I',  1,  &opt_uidonly, 0,       0            },
+  { "uidonly",      'I',  1,  0, 0,                  af_uidonly   },
   { "groupsclear",  'z',  0,  &opt_groupsclear, 0,   0,        1  },
   { "group",        'g',  1,  0, 0,                  af_group     },
   { "gid",          'G',  1,  0, 0,                  af_gid       },
@@ -94,7 +103,7 @@ static void checkroot(void) {
 #ifdef REALLY_CHECK_GID
 static void checkroot(void) {
   gid_t groups[512];
-  int r;
+  int r, i;
 
   r= getgid(); if (r==REALLY_CHECK_GID) return;
   if (r<0) { perror("getgid check"); exit(-1); }