Handle -h and --help according to GNU Coding Standards (#17104)

[fontconfig.git] / fc-match / fc-match.c

diff --git a/fc-match/fc-match.c b/fc-match/fc-match.c
index 3ddba74c42ab0a7bd2b41488428e580be9da4708..5ed8deff676b7e26e86829af3a796270478d5e37 100644 (file)
--- a/fc-match/fc-match.c
+++ b/fc-match/fc-match.c
@@ -1,5 +1,5 @@
 /*
- * $RCSId: xc/lib/fontconfig/fc-list/fc-list.c,v 1.5 2002/06/30 23:45:40 keithp Exp $
+ * fontconfig/fc-match/fc-match.c
  *
  * Copyright © 2003 Keith Packard
  *
@@ -22,11 +22,6 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <fontconfig/fontconfig.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #else
@@ -36,6 +31,12 @@
 #define HAVE_GETOPT 1
 #endif
 
+#include <fontconfig/fontconfig.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
 #ifndef HAVE_GETOPT
 #define HAVE_GETOPT 0
 #endif
@@ -47,11 +48,12 @@
 #undef  _GNU_SOURCE
 #define _GNU_SOURCE
 #include <getopt.h>
-const struct option longopts[] = {
+static const struct option longopts[] = {
     {"sort", 0, 0, 's'},
+    {"all", 0, 0, 'a'},
     {"version", 0, 0, 'V'},
     {"verbose", 0, 0, 'v'},
-    {"help", 0, 0, '?'},
+    {"help", 0, 0, 'h'},
     {NULL,0,0,0},
 };
 #else
@@ -61,36 +63,40 @@ extern int optind, opterr, optopt;
 #endif
 #endif
 
-static void usage (char *program)
+static void
+usage (char *program, int error)
 {
+    FILE *file = error ? stderr : stdout;
 #if HAVE_GETOPT_LONG
-    fprintf (stderr, "usage: %s [-svV?] [--sort] [--verbose] [--version] [--help] [pattern]\n",
+    fprintf (file, "usage: %s [-savVh] [--sort] [--all] [--verbose] [--version] [--help] [pattern]\n",
             program);
 #else
-    fprintf (stderr, "usage: %s [-svV?] [pattern]\n",
+    fprintf (file, "usage: %s [-savVh] [pattern]\n",
             program);
 #endif
-    fprintf (stderr, "List fonts matching [pattern]\n");
-    fprintf (stderr, "\n");
+    fprintf (file, "List fonts matching [pattern]\n");
+    fprintf (file, "\n");
 #if HAVE_GETOPT_LONG
-    fprintf (stderr, "  -s, --sort           display sorted list of matches\n");
-    fprintf (stderr, "  -v, --verbose        display entire font pattern\n");
-    fprintf (stderr, "  -V, --version        display font config version and exit\n");
-    fprintf (stderr, "  -?, --help           display this help and exit\n");
+    fprintf (file, "  -s, --sort           display sorted list of matches\n");
+    fprintf (file, "  -a, --all            display unpruned sorted list of matches\n");
+    fprintf (file, "  -v, --verbose        display entire font pattern\n");
+    fprintf (file, "  -V, --version        display font config version and exit\n");
+    fprintf (file, "  -h, --help           display this help and exit\n");
 #else
-    fprintf (stderr, "  -s,        (sort)    display sorted list of matches\n");
-    fprintf (stderr, "  -v         (verbose) display entire font pattern\n");
-    fprintf (stderr, "  -V         (version) display font config version and exit\n");
-    fprintf (stderr, "  -?         (help)    display this help and exit\n");
+    fprintf (file, "  -s,        (sort)    display sorted list of matches\n");
+    fprintf (file, "  -a         (all)     display unpruned sorted list of matches\n");
+    fprintf (file, "  -v         (verbose) display entire font pattern\n");
+    fprintf (file, "  -V         (version) display font config version and exit\n");
+    fprintf (file, "  -h         (help)    display this help and exit\n");
 #endif
-    exit (1);
+    exit (error);
 }
 
 int
 main (int argc, char **argv)
 {
     int                verbose = 0;
-    int                sort = 0;
+    int                sort = 0, all = 0;
     int                i;
     FcFontSet  *fs;
     FcPattern   *pat;
@@ -99,12 +105,15 @@ main (int argc, char **argv)
     int                c;
 
 #if HAVE_GETOPT_LONG
-    while ((c = getopt_long (argc, argv, "sVv?", longopts, NULL)) != -1)
+    while ((c = getopt_long (argc, argv, "asVvh", longopts, NULL)) != -1)
 #else
-    while ((c = getopt (argc, argv, "sVv?")) != -1)
+    while ((c = getopt (argc, argv, "asVvh")) != -1)
 #endif
     {
        switch (c) {
+       case 'a':
+           all = 1;
+           break;
        case 's':
            sort = 1;
            break;
@@ -115,8 +124,10 @@ main (int argc, char **argv)
        case 'v':
            verbose = 1;
            break;
+       case 'h':
+           usage (argv[0], 0);
        default:
-           usage (argv[0]);
+           usage (argv[0], 1);
        }
     }
     i = optind;
@@ -134,21 +145,39 @@ main (int argc, char **argv)
     else
        pat = FcPatternCreate ();
 
+    if (!pat)
+       return 1;
+
     FcConfigSubstitute (0, pat, FcMatchPattern);
     FcDefaultSubstitute (pat);
     
-    if (sort)
-       fs = FcFontSort (0, pat, FcTrue, 0, &result);
+    fs = FcFontSetCreate ();
+
+    if (sort || all)
+    {
+       FcFontSet       *font_patterns;
+       int     j;
+       font_patterns = FcFontSort (0, pat, all ? FcFalse : FcTrue, 0, &result);
+
+       for (j = 0; j < font_patterns->nfont; j++)
+       {
+           FcPattern  *font_pattern;
+
+           font_pattern = FcFontRenderPrepare (NULL, pat, font_patterns->fonts[j]);
+           if (font_pattern)
+               FcFontSetAdd (fs, font_pattern);
+       }
+
+       FcFontSetSortDestroy (font_patterns);
+    }
     else
     {
        FcPattern   *match;
-       fs = FcFontSetCreate ();
        match = FcFontMatch (0, pat, &result);
        if (match)
            FcFontSetAdd (fs, match);
     }
-    if (pat)
-       FcPatternDestroy (pat);
+    FcPatternDestroy (pat);
 
     if (fs)
     {
@@ -177,12 +206,13 @@ main (int argc, char **argv)
                if (FcPatternGetString (fs->fonts[j], FC_FAMILY, 0, &family) != FcResultMatch)
                    family = (FcChar8 *) "<unknown family>";
                if (FcPatternGetString (fs->fonts[j], FC_STYLE, 0, &style) != FcResultMatch)
-                   file = (FcChar8 *) "<unknown style>";
+                   style = (FcChar8 *) "<unknown style>";
 
                printf ("%s: \"%s\" \"%s\"\n", file, family, style);
            }
        }
        FcFontSetDestroy (fs);
     }
+    FcFini ();
     return 0;
 }