X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fargmatch.c;h=9125e2af048eee7851e28f47090054fa445f4471;hb=5191b3546cfb6c163228c23f214e325ddf60d46f;hp=36d5845acb7812c55a908234d0a76361ad7a1922;hpb=222b0486b7db1b09293e05512873d633440efcb3;p=gnulib.git diff --git a/lib/argmatch.c b/lib/argmatch.c index 36d5845ac..9125e2af0 100644 --- a/lib/argmatch.c +++ b/lib/argmatch.c @@ -1,12 +1,12 @@ /* argmatch.c -- find a match for a string in an array - Copyright (C) 1990, 1998, 1999, 2001, 2002, 2003, 2004, 2005 Free - Software Foundation, Inc. + Copyright (C) 1990, 1998-1999, 2001-2007, 2009-2013 Free Software + Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -14,15 +14,12 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* Written by David MacKenzie Modified by Akim Demaille */ -#ifdef HAVE_CONFIG_H -# include -#endif +#include /* Specification. */ #include "argmatch.h" @@ -36,7 +33,6 @@ #define _(msgid) gettext (msgid) #include "error.h" -#include "exit.h" #include "quotearg.h" #include "quote.h" @@ -81,16 +77,16 @@ argmatch_exit_fn argmatch_die = __argmatch_die; synonyms, i.e., for "yes", "yop" -> 0 "no", "nope" -> 1 - "y" is a valid argument, for `0', and "n" for `1'. */ + "y" is a valid argument, for 0, and "n" for 1. */ ptrdiff_t argmatch (const char *arg, const char *const *arglist, - const char *vallist, size_t valsize) + const char *vallist, size_t valsize) { - size_t i; /* Temporary index in ARGLIST. */ - size_t arglen; /* Length of ARG. */ - ptrdiff_t matchind = -1; /* Index of first nonexact match. */ - bool ambiguous = false; /* If true, multiple nonexact match(es). */ + size_t i; /* Temporary index in ARGLIST. */ + size_t arglen; /* Length of ARG. */ + ptrdiff_t matchind = -1; /* Index of first nonexact match. */ + bool ambiguous = false; /* If true, multiple nonexact match(es). */ arglen = strlen (arg); @@ -98,26 +94,26 @@ argmatch (const char *arg, const char *const *arglist, for (i = 0; arglist[i]; i++) { if (!strncmp (arglist[i], arg, arglen)) - { - if (strlen (arglist[i]) == arglen) - /* Exact match found. */ - return i; - else if (matchind == -1) - /* First nonexact match found. */ - matchind = i; - else - { - /* Second nonexact match found. */ - if (vallist == NULL - || memcmp (vallist + valsize * matchind, - vallist + valsize * i, valsize)) - { - /* There is a real ambiguity, or we could not - disambiguate. */ - ambiguous = true; - } - } - } + { + if (strlen (arglist[i]) == arglen) + /* Exact match found. */ + return i; + else if (matchind == -1) + /* First nonexact match found. */ + matchind = i; + else + { + /* Second nonexact match found. */ + if (vallist == NULL + || memcmp (vallist + valsize * matchind, + vallist + valsize * i, valsize)) + { + /* There is a real ambiguity, or we could not + disambiguate. */ + ambiguous = true; + } + } + } } if (ambiguous) return -2; @@ -134,11 +130,11 @@ void argmatch_invalid (const char *context, const char *value, ptrdiff_t problem) { char const *format = (problem == -1 - ? _("invalid argument %s for %s") - : _("ambiguous argument %s for %s")); + ? _("invalid argument %s for %s") + : _("ambiguous argument %s for %s")); error (0, 0, format, quotearg_n_style (0, ARGMATCH_QUOTING_STYLE, value), - quote_n (1, context)); + quote_n (1, context)); } /* List the valid arguments for argmatch. @@ -147,24 +143,24 @@ argmatch_invalid (const char *context, const char *value, ptrdiff_t problem) VALSIZE is the size of the elements of VALLIST */ void argmatch_valid (const char *const *arglist, - const char *vallist, size_t valsize) + const char *vallist, size_t valsize) { size_t i; const char *last_val = NULL; /* We try to put synonyms on the same line. The assumption is that synonyms follow each other */ - fprintf (stderr, _("Valid arguments are:")); + fputs (_("Valid arguments are:"), stderr); for (i = 0; arglist[i]; i++) if ((i == 0) - || memcmp (last_val, vallist + valsize * i, valsize)) + || memcmp (last_val, vallist + valsize * i, valsize)) { - fprintf (stderr, "\n - `%s'", arglist[i]); - last_val = vallist + valsize * i; + fprintf (stderr, "\n - %s", quote (arglist[i])); + last_val = vallist + valsize * i; } else { - fprintf (stderr, ", `%s'", arglist[i]); + fprintf (stderr, ", %s", quote (arglist[i])); } putc ('\n', stderr); } @@ -177,9 +173,9 @@ argmatch_valid (const char *const *arglist, ptrdiff_t __xargmatch_internal (const char *context, - const char *arg, const char *const *arglist, - const char *vallist, size_t valsize, - argmatch_exit_fn exit_fn) + const char *arg, const char *const *arglist, + const char *vallist, size_t valsize, + argmatch_exit_fn exit_fn) { ptrdiff_t res = argmatch (arg, arglist, vallist, valsize); if (res >= 0) @@ -198,8 +194,8 @@ __xargmatch_internal (const char *context, return the first corresponding argument in ARGLIST */ const char * argmatch_to_argument (const char *value, - const char *const *arglist, - const char *vallist, size_t valsize) + const char *const *arglist, + const char *vallist, size_t valsize) { size_t i; @@ -267,14 +263,14 @@ main (int argc, const char *const *argv) if ((cp = getenv ("VERSION_CONTROL"))) backup_type = XARGMATCH ("$VERSION_CONTROL", cp, - backup_args, backup_vals); + backup_args, backup_vals); if (argc == 2) backup_type = XARGMATCH (program_name, argv[1], - backup_args, backup_vals); + backup_args, backup_vals); - printf ("The version control is `%s'\n", - ARGMATCH_TO_ARGUMENT (backup_type, backup_args, backup_vals)); + printf ("The version control is '%s'\n", + ARGMATCH_TO_ARGUMENT (backup_type, backup_args, backup_vals)); return 0; }