54 lines
2.0 KiB
Plaintext
54 lines
2.0 KiB
Plaintext
--- src/file.c
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+++ src/file.c 2013-09-30 00:00:00.000000000 +0000
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@@ -94,10 +94,12 @@ private const char *separator = ":"; /*
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private const struct option long_options[] = {
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#define OPT(shortname, longname, opt, doc) \
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{longname, opt, NULL, shortname},
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+#define OPT_POSIX OPT
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#define OPT_LONGONLY(longname, opt, doc) \
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{longname, opt, NULL, 0},
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#include "file_opts.h"
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#undef OPT
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+#undef OPT_POSIX
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#undef OPT_LONGONLY
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{0, 0, NULL, 0}
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};
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@@ -525,6 +527,7 @@ docprint(const char *opts)
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private void
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help(void)
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{
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+ const unsigned long posix = (unsigned long)getenv("POSIXLY_CORRECT");
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(void)fputs(
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"Usage: file [OPTION...] [FILE...]\n"
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"Determine type of FILEs.\n"
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@@ -532,11 +535,16 @@ help(void)
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#define OPT(shortname, longname, opt, doc) \
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fprintf(stdout, " -%c, --" longname, shortname), \
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docprint(doc);
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+#define OPT_POSIX(shortname, longname, opt, doc) \
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+ fprintf(stdout, " -%c, --" longname "%s", shortname, \
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+ (shortname == 'L') ? (posix ? " (default)" : "") : (posix ? "" : " (default)")), \
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+ docprint(doc);
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#define OPT_LONGONLY(longname, opt, doc) \
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fprintf(stdout, " --" longname), \
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docprint(doc);
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#include "file_opts.h"
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#undef OPT
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+#undef OPT_POSIX
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#undef OPT_LONGONLY
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fprintf(stdout, "\nReport bugs to http://bugs.gw.com/\n");
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exit(0);
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--- src/file_opts.h
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+++ src/file_opts.h 2013-09-30 13:44:17.000000000 +0000
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@@ -34,8 +34,8 @@ OPT_LONGONLY("mime-encoding", 0, "
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OPT('k', "keep-going", 0, " don't stop at the first match\n")
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OPT('l', "list", 0, " list magic strength\n")
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#ifdef S_IFLNK
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-OPT('L', "dereference", 0, " follow symlinks (default)\n")
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-OPT('h', "no-dereference", 0, " don't follow symlinks\n")
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+OPT_POSIX('L', "dereference", 0, " follow symlinks\n")
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+OPT_POSIX('h', "no-dereference", 0, " don't follow symlinks\n")
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#endif
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OPT('n', "no-buffer", 0, " do not buffer output\n")
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OPT('N', "no-pad", 0, " do not pad output\n")
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