1 /* 2 * getostype.c - Get the Filesystem OS type 3 * 4 * Copyright (C) 2004,2005 Theodore Ts'o <tytso (at) mit.edu> 5 * 6 * %Begin-Header% 7 * This file may be redistributed under the terms of the GNU Library 8 * General Public License, version 2. 9 * %End-Header% 10 */ 11 12 #include "e2p.h" 13 #include <string.h> 14 #include <stdlib.h> 15 16 static const char *os_tab[] = 17 { "Linux", 18 "Hurd", 19 "Masix", 20 "FreeBSD", 21 "Lites", 22 0 }; 23 24 /* 25 * Convert an os_type to a string 26 */ 27 char *e2p_os2string(int os_type) 28 { 29 const char *os; 30 char *ret; 31 32 if (os_type <= EXT2_OS_LITES) 33 os = os_tab[os_type]; 34 else 35 os = "(unknown os)"; 36 37 ret = malloc(strlen(os)+1); 38 if (ret) 39 strcpy(ret, os); 40 return ret; 41 } 42 43 /* 44 * Convert an os_type to a string 45 */ 46 int e2p_string2os(char *str) 47 { 48 const char **cpp; 49 int i = 0; 50 51 for (cpp = os_tab; *cpp; cpp++, i++) { 52 if (!strcasecmp(str, *cpp)) 53 return i; 54 } 55 return -1; 56 } 57 58 #ifdef TEST_PROGRAM 59 int main(int argc, char **argv) 60 { 61 char *s; 62 int i, os; 63 64 for (i=0; i <= EXT2_OS_LITES; i++) { 65 s = e2p_os2string(i); 66 os = e2p_string2os(s); 67 printf("%d: %s (%d)\n", i, s, os); 68 if (i != os) { 69 fprintf(stderr, "Failure!\n"); 70 exit(1); 71 } 72 } 73 exit(0); 74 } 75 #endif 76 77 78
