Fix problems with overlong directory names: phase #1

[mono.git] / support / grp.c

diff --git a/support/grp.c b/support/grp.c
index 99ef795c139a705bad4b08a867a9d9f0f2a86a56..47749b2131cababc8c5411136dc13107dc43ce95 100644 (file)
--- a/support/grp.c
+++ b/support/grp.c
@@ -4,7 +4,7 @@
  * Authors:
  *   Jonathan Pryor (jonpryor@vt.edu)
  *
- * Copyright (C) 2004 Jonathan Pryor
+ * Copyright (C) 2004-2005 Jonathan Pryor
  */
 
 #include <sys/types.h>
@@ -16,19 +16,11 @@
 #include <string.h>
 #include <unistd.h>    /* for setgroups on Mac OS X */
 
+#include "map.h"
 #include "mph.h"
 
 G_BEGIN_DECLS
 
-struct Mono_Posix_Syscall__Group {
-       /* string */  char     *gr_name;
-       /* string */  char     *gr_passwd;
-       /* gid_t  */  mph_gid_t gr_gid;
-       /* int    */  int       _gr_nmem_;
-       /* string */  char    **gr_mem;
-       /* string */  char     *_gr_buf_;  /* holds all but gr_mem */
-};
-
 static void
 count_members (char **gr_mem, int *count, size_t *mem)
 {
@@ -56,7 +48,7 @@ copy_group (struct Mono_Posix_Syscall__Group *to, struct group *from)
 {
        size_t nlen, plen, buflen;
        int i, count;
-       char *cur;
+       char *cur, **to_mem;
 
        to->gr_gid    = from->gr_gid;
 
@@ -83,7 +75,7 @@ copy_group (struct Mono_Posix_Syscall__Group *to, struct group *from)
 
        to->_gr_nmem_ = count;
        cur = to->_gr_buf_ = (char*) malloc (buflen);
-       to->gr_mem = (char **) malloc (sizeof(char*)*(count+1));
+       to_mem = to->gr_mem = malloc (sizeof(char*)*(count+1));
        if (to->_gr_buf_ == NULL || to->gr_mem == NULL) {
                free (to->_gr_buf_);
                free (to->gr_mem);
@@ -96,10 +88,10 @@ copy_group (struct Mono_Posix_Syscall__Group *to, struct group *from)
        cur += (plen + 1);
 
        for (i = 0; i != count; ++i) {
-               to->gr_mem[i] = strcpy (cur, from->gr_mem[i]);
+               to_mem [i] = strcpy (cur, from->gr_mem[i]);
                cur += (strlen (from->gr_mem[i])+1);
        }
-       to->gr_mem[i] = NULL;
+       to_mem [i] = NULL;
 
        return 0;
 }
@@ -152,7 +144,7 @@ Mono_Posix_Syscall_getgrgid (mph_gid_t gid, struct Mono_Posix_Syscall__Group *gb
 gint32
 Mono_Posix_Syscall_getgrnam_r (const char *name, 
        struct Mono_Posix_Syscall__Group *gbuf,
-       struct group **gbufp)
+       void **gbufp)
 {
        char *buf, *buf2;
        size_t buflen;
@@ -176,7 +168,7 @@ Mono_Posix_Syscall_getgrnam_r (const char *name,
                }
                buf = buf2;
                errno = 0;
-       } while ((r = getgrnam_r (name, &_grbuf, buf, buflen, gbufp)) && 
+       } while ((r = getgrnam_r (name, &_grbuf, buf, buflen, (struct group**) gbufp)) && 
                        recheck_range (r));
 
        /* On Solaris, this function returns 0 even if the entry was not found */
@@ -195,7 +187,7 @@ Mono_Posix_Syscall_getgrnam_r (const char *name,
 gint32
 Mono_Posix_Syscall_getgrgid_r (mph_gid_t gid,
        struct Mono_Posix_Syscall__Group *gbuf,
-       struct group **gbufp)
+       void **gbufp)
 {
        char *buf, *buf2;
        size_t buflen;
@@ -219,7 +211,7 @@ Mono_Posix_Syscall_getgrgid_r (mph_gid_t gid,
                }
                buf = buf2;
                errno = 0;
-       } while ((r = getgrgid_r (gid, &_grbuf, buf, buflen, gbufp)) && 
+       } while ((r = getgrgid_r (gid, &_grbuf, buf, buflen, (struct group**) gbufp)) && 
                        recheck_range (r));
 
        /* On Solaris, this function returns 0 even if the entry was not found */
@@ -258,7 +250,7 @@ Mono_Posix_Syscall_getgrent (struct Mono_Posix_Syscall__Group *grbuf)
 
 #ifdef HAVE_FGETGRENT
 gint32
-Mono_Posix_Syscall_fgetgrent (FILE *stream, struct Mono_Posix_Syscall__Group *grbuf)
+Mono_Posix_Syscall_fgetgrent (void *stream, struct Mono_Posix_Syscall__Group *grbuf)
 {
        struct group *gr;
 
@@ -268,7 +260,7 @@ Mono_Posix_Syscall_fgetgrent (FILE *stream, struct Mono_Posix_Syscall__Group *gr
        }
 
        errno = 0;
-       gr = fgetgrent (stream);
+       gr = fgetgrent ((FILE*) stream);
        if (gr == NULL)
                return -1;
 
@@ -287,6 +279,23 @@ Mono_Posix_Syscall_setgroups (mph_size_t size, mph_gid_t *list)
        return setgroups ((size_t) size, list);
 }
 
+int
+Mono_Posix_Syscall_setgrent (void)
+{
+       errno = 0;
+       setgrent ();
+       return errno == 0 ? 0 : -1;
+}
+
+int
+Mono_Posix_Syscall_endgrent (void)
+{
+       errno = 0;
+       endgrent();
+       return errno == 0 ? 0 : -1;
+}
+
+
 G_END_DECLS
 
 /*