68 lines
1.5 KiB
Plaintext
68 lines
1.5 KiB
Plaintext
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%{
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/*
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* Copyright is disclaimed as to the contents of this file.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <string.h>
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#include <unistd.h>
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#include "getconf.h"
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/*
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* Override gperf's built-in external scope.
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*/
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static const struct map *in_word_set(const char *str, unsigned int len);
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/*
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* The Standard seems a bit ambiguous over whether the POSIX_V6_*
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* are specified with or without a leading underscore, so we just
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* use both.
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*/
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/*
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* The alt_path member gives the path containing another `getconf'
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* executable which was compiled using the specified programming
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* environment. If it is NULL, the current executable is good enough.
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* If we ever support multiple environments, this table will need to
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* be updated. (We cheat here and define the supported environments
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* statically.)
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*/
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#if defined(__alpha__) || defined(__sparc64__)
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#define have_LP64_OFF64 NULL
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#endif
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#if defined(__i386__) || defined(__powerpc__)
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#define have_ILP32_OFFBIG NULL
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#endif
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%}
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struct map { const char *name; const char *alt_path; int valid; };
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%%
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POSIX_V6_ILP32_OFF32, notdef
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POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG
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POSIX_V6_LP64_OFF64, have_LP64_OFF64
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POSIX_V6_LPBIG_OFFBIG, notdef
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_POSIX_V6_ILP32_OFF32, notdef
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_POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG
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_POSIX_V6_LP64_OFF64, have_LP64_OFF64
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_POSIX_V6_LPBIG_OFFBIG, notdef
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%%
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int
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find_progenv(const char *name, const char **alt_path)
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{
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const struct map *rv;
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rv = in_word_set(name, strlen(name));
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if (rv != NULL) {
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if (rv->valid) {
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*alt_path = rv->alt_path;
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return 1;
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}
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return -1;
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}
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return 0;
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}
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