1%{ 2/* 3 * Copyright is disclaimed as to the contents of this file. 4 * 5 * $FreeBSD: head/usr.bin/getconf/progenv.gperf 142066 2005-02-18 21:53:05Z wollman $ 6 */ 7 8#include <sys/types.h> 9 10#include <string.h> 11#include <unistd.h> 12 13#include "getconf.h" 14 15/* 16 * Override gperf's built-in external scope. 17 */ 18static const struct map *in_word_set(const char *str); 19 20/* 21 * The Standard seems a bit ambiguous over whether the POSIX_V6_* 22 * are specified with or without a leading underscore, so we just 23 * use both. 24 */ 25/* 26 * The alt_path member gives the path containing another `getconf' 27 * executable which was compiled using the specified programming 28 * environment. If it is NULL, the current executable is good enough. 29 * If we ever support multiple environments, this table will need to 30 * be updated. (We cheat here and define the supported environments 31 * statically.) 32 */ 33#if defined(__x86_64__) 34#define have_LP64_OFF64 NULL 35#else 36#error platform not handled in progenv.gperf 37#endif 38 39%} 40struct map { const char *name; const char *alt_path; int valid; }; 41%% 42POSIX_V6_ILP32_OFF32, notdef 43POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG 44POSIX_V6_LP64_OFF64, have_LP64_OFF64 45POSIX_V6_LPBIG_OFFBIG, notdef 46_POSIX_V6_ILP32_OFF32, notdef 47_POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG 48_POSIX_V6_LP64_OFF64, have_LP64_OFF64 49_POSIX_V6_LPBIG_OFFBIG, notdef 50%% 51int 52find_progenv(const char *name, const char **alt_path) 53{ 54 const struct map *rv; 55 56 rv = in_word_set(name); 57 if (rv != NULL) { 58 if (rv->valid) { 59 *alt_path = rv->alt_path; 60 return 1; 61 } 62 return -1; 63 } 64 return 0; 65} 66