1%{ 2/* 3 * Copyright is disclaimed as to the contents of this file. 4 * 5 * $FreeBSD$ 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(__alpha__) || defined(__sparc64__) 34#define have_LP64_OFF64 NULL 35#endif 36 37#if defined(__i386__) || defined(__powerpc__) 38#define have_ILP32_OFFBIG NULL 39#endif 40 41%} 42struct map { const char *name; const char *alt_path; int valid; }; 43%% 44POSIX_V6_ILP32_OFF32, notdef 45POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG 46POSIX_V6_LP64_OFF64, have_LP64_OFF64 47POSIX_V6_LPBIG_OFFBIG, notdef 48_POSIX_V6_ILP32_OFF32, notdef 49_POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG 50_POSIX_V6_LP64_OFF64, have_LP64_OFF64 51_POSIX_V6_LPBIG_OFFBIG, notdef 52%% 53int 54find_progenv(const char *name, const char **alt_path) 55{ 56 const struct map *rv; 57 58 rv = in_word_set(name); 59 if (rv != NULL) { 60 if (rv->valid) { 61 *alt_path = rv->alt_path; 62 return 1; 63 } 64 return -1; 65 } 66 return 0; 67} 68