diff options
author | Jim Meyering <jim@meyering.net> | 2002-02-16 08:00:46 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2002-02-16 08:00:46 +0000 |
commit | 12549a6db82c68b33e02ad863b91cc83b1e67249 (patch) | |
tree | 1dcd098383959e26d32e27fa49f64dbcf179873f /src | |
parent | 3741aa834bb3707600e80099d7b3b6982575f82e (diff) | |
download | coreutils-12549a6db82c68b33e02ad863b91cc83b1e67249.tar.xz |
Include posixver.h.
(usage): Document only the intersection of the old and new behaviors,
to encourage portability.
(shortopts): Remove; no longer needed.
(main): Parse options using POSIX 1003.1-2001 rules if
conforming to that standard. Do not warn of obsolete options.
Diffstat (limited to 'src')
-rw-r--r-- | src/uniq.c | 43 |
1 files changed, 15 insertions, 28 deletions
diff --git a/src/uniq.c b/src/uniq.c index a02c92885..78d0099b5 100644 --- a/src/uniq.c +++ b/src/uniq.c @@ -28,6 +28,7 @@ #include "argmatch.h" #include "linebuffer.h" #include "error.h" +#include "posixver.h" #include "xstrtol.h" #include "memcasecmp.h" @@ -107,12 +108,6 @@ static enum delimit_method const delimit_method_map[] = /* Select whether/how to delimit groups of duplicate lines. */ static enum delimit_method delimit_groups; -static char const shortopts[] = "-cdDf:is:uw:" -#if POSIX2_VERSION < 200112 -"0123456789" -#endif -; - static struct option const longopts[] = { {"count", no_argument, NULL, 'c'}, @@ -164,11 +159,6 @@ Mandatory arguments to long options are mandatory for short options too.\n\ fputs (_("\ -w, --check-chars=N compare no more than N characters in lines\n\ "), stdout); - if (POSIX2_VERSION < 200112) - fputs (_("\ - -N (obsolete) same as -f N\n\ - +N (obsolete) same as -s N\n\ -"), stdout); fputs (HELP_OPTION_DESCRIPTION, stdout); fputs (VERSION_OPTION_DESCRIPTION, stdout); fputs (_("\ @@ -421,12 +411,14 @@ main (int argc, char **argv) for (;;) { - /* If obsolete, parse an operand with leading "+" as a file - after "--" was seen; or if pedantic and a file was seen. */ + /* Parse an operand with leading "+" as a file after "--" was + seen; or if pedantic and a file was seen; or if not + obsolete. */ if (optc == -1 || (posixly_correct && nfiles != 0) - || ((optc = getopt_long (argc, argv, shortopts, longopts, NULL)) + || ((optc = getopt_long (argc, argv, + "-0123456789Dcdf:is:uw:", longopts, NULL)) == -1)) { if (optind == argc) @@ -443,17 +435,11 @@ main (int argc, char **argv) case 1: { unsigned long int size; - if (POSIX2_VERSION < 200112 - && optarg[0] == '+' + if (optarg[0] == '+' + && posix2_version () < 200112 && xstrtoul (optarg, NULL, 10, &size, "") == LONGINT_OK && size <= SIZE_MAX) - { - if (OBSOLETE_OPTION_WARNINGS && ! posixly_correct) - error (0, 0, - _("warning: `uniq %s' is obsolete; use `uniq -s %s' instead"), - optarg, optarg + 1); - skip_chars = size; - } + skip_chars = size; else if (nfiles == 2) { error (0, 0, _("extra operand `%s'"), optarg); @@ -464,7 +450,6 @@ main (int argc, char **argv) } break; -#if POSIX2_VERSION < 200112 case '0': case '1': case '2': @@ -484,7 +469,6 @@ main (int argc, char **argv) obsolete_skip_fields = true; } break; -#endif case 'c': countmode = count_occurrences; @@ -536,9 +520,12 @@ main (int argc, char **argv) } } - if (OBSOLETE_OPTION_WARNINGS && obsolete_skip_fields) - error (0, 0, _("warning: `uniq -%lu' is obsolete; use `uniq -f %lu'"), - (unsigned long) skip_fields, (unsigned long) skip_fields); + if (obsolete_skip_fields && 200112 <= posix2_version ()) + { + error (0, 0, _("`-%lu' option is obsolete; use `-f %lu'"), + (unsigned long) skip_fields, (unsigned long) skip_fields); + usage (EXIT_FAILURE); + } if (countmode == count_occurrences && mode == output_all_repeated) { |