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Functions | |
| void | permstring (char *perms, int mode) |
| Produce a string representation of Unix mode bits like that used by ls(1). More... | |
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Produce a string representation of Unix mode bits like that used by ls(1).
Definition at line 29 of file permstring.c. Referenced by list_file(), and list_file_entry().
00031 {
00032 static const char *perm_map = "rwxrwxrwx";
00033 int i;
00034
00035 strcpy(perms, "----------");
00036
00037 for (i=0;i<9;i++) {
00038 if (mode & (1<<i)) perms[9-i] = perm_map[8-i];
00039 }
00040
00041 /* Handle setuid/sticky bits. You might think the indices are
00042 * off by one, but remember there's a type char at the
00043 * start. */
00044 if (mode & S_ISUID)
00045 perms[3] = (mode & S_IXUSR) ? 's' : 'S';
00046
00047 if (mode & S_ISGID)
00048 perms[6] = (mode & S_IXGRP) ? 's' : 'S';
00049
00050 if (mode & S_ISVTX)
00051 perms[9] = (mode & S_IXOTH) ? 't' : 'T';
00052
00053 if (S_ISLNK(mode)) perms[0] = 'l';
00054 if (S_ISDIR(mode)) perms[0] = 'd';
00055 if (S_ISBLK(mode)) perms[0] = 'b';
00056 if (S_ISCHR(mode)) perms[0] = 'c';
00057 if (S_ISSOCK(mode)) perms[0] = 's';
00058 if (S_ISFIFO(mode)) perms[0] = 'p';
00059 }
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1.2.15