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