]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - progs/infocmp.c
ncurses 5.9 - patch 20131102
[ncurses.git] / progs / infocmp.c
index 2e6f67a8b6981e6648d2e36caf15f8925508d168..bcec57d9c75cd03f4dd573417c9362c02f09fb79 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <dump_entry.h>
 
-MODULE_ID("$Id: infocmp.c,v 1.115 2012/04/07 19:12:01 tom Exp $")
+MODULE_ID("$Id: infocmp.c,v 1.126 2013/06/08 16:51:33 tom Exp $")
 
 #define L_CURL "{"
 #define R_CURL "}"
@@ -87,20 +87,45 @@ static int compare;
 static bool ignorepads;                /* ignore pad prefixes when diffing */
 
 #if NO_LEAKS
+
+typedef struct {
+    ENTRY *head;
+    ENTRY *tail;
+} ENTERED;
+
+static ENTERED *entered;
+
 #undef ExitProgram
 static void ExitProgram(int code) GCC_NORETURN;
 /* prototype is to get gcc to accept the noreturn attribute */
 static void
 ExitProgram(int code)
 {
-    while (termcount-- > 0)
-       _nc_free_termtype(&entries[termcount].tterm);
+    int n;
+
+    for (n = 0; n < termcount; ++n) {
+       ENTRY *new_head = _nc_head;
+       ENTRY *new_tail = _nc_tail;
+       _nc_head = entered[n].head;
+       _nc_tail = entered[n].tail;
+       _nc_free_entries(entered[n].head);
+       _nc_head = new_head;
+       _nc_tail = new_tail;
+    }
     _nc_leaks_dump_entry();
     free(entries);
+    free(entered);
     _nc_free_tic(code);
 }
 #endif
 
+static void
+failed(const char *s)
+{
+    perror(s);
+    ExitProgram(EXIT_FAILURE);
+}
+
 static char *
 canonical_name(char *ptr, char *buf)
 /* extract the terminal type's primary name */
@@ -333,6 +358,39 @@ dump_string(char *val, char *buf)
     }
 }
 
+/*
+ * Show "comparing..." message for the given terminal names.
+ */
+static void
+show_comparing(char **names)
+{
+    if (itrace) {
+       switch (compare) {
+       case C_DIFFERENCE:
+           (void) fprintf(stderr, "%s: dumping differences\n", _nc_progname);
+           break;
+
+       case C_COMMON:
+           (void) fprintf(stderr, "%s: dumping common capabilities\n", _nc_progname);
+           break;
+
+       case C_NAND:
+           (void) fprintf(stderr, "%s: dumping differences\n", _nc_progname);
+           break;
+       }
+    }
+    if (*names) {
+       printf("comparing %s", *names++);
+       if (*names) {
+           printf(" to %s", *names++);
+           while (*names) {
+               printf(", %s", *names++);
+           }
+       }
+       printf(".\n");
+    }
+}
+
 /*
  * ncurses stores two types of non-standard capabilities:
  * a) capabilities listed past the "STOP-HERE" comment in the Caps file. 
@@ -346,26 +404,39 @@ dump_string(char *val, char *buf)
  * macro is used for limit-checks against the symbols that tic uses to omit
  * the two types of non-standard entry.
  */
+#if NCURSES_XNAMES
 #define check_user_definable(n,limit) if (!_nc_user_definable && (n) > (limit)) break
+#else
+#define check_user_definable(n,limit) if ((n) > (limit)) break
+#endif
+
+/*
+ * Use these macros to simplify loops on C_COMMON and C_NAND:
+ */
+#define for_each_entry() while (entries[extra].tterm.term_names)
+#define next_entry           (&(entries[extra++].tterm))
 
 static void
 compare_predicate(PredType type, PredIdx idx, const char *name)
 /* predicate function to use for entry difference reports */
 {
-    register ENTRY *e1 = &entries[0];
-    register ENTRY *e2 = &entries[1];
-    char buf1[MAX_STRING], buf2[MAX_STRING];
+    ENTRY *e1 = &entries[0];
+    ENTRY *e2 = &entries[1];
+    char buf1[MAX_STRING];
+    char buf2[MAX_STRING];
     int b1, b2;
     int n1, n2;
     char *s1, *s2;
+    bool found;
+    int extra = 1;
 
     switch (type) {
     case CMP_BOOLEAN:
        check_user_definable(idx, BOOLWRITE);
        b1 = e1->tterm.Booleans[idx];
-       b2 = e2->tterm.Booleans[idx];
        switch (compare) {
        case C_DIFFERENCE:
+           b2 = next_entry->Booleans[idx];
            if (!(b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN) && b1 != b2)
                (void) printf("\t%s: %s%s%s.\n",
                              name,
@@ -375,13 +446,35 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
            break;
 
        case C_COMMON:
-           if (b1 == b2 && b1 != ABSENT_BOOLEAN)
-               (void) printf("\t%s= %s.\n", name, dump_boolean(b1));
+           if (b1 != ABSENT_BOOLEAN) {
+               found = TRUE;
+               for_each_entry() {
+                   b2 = next_entry->Booleans[idx];
+                   if (b1 != b2) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) printf("\t%s= %s.\n", name, dump_boolean(b1));
+               }
+           }
            break;
 
        case C_NAND:
-           if (b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN)
-               (void) printf("\t!%s.\n", name);
+           if (b1 == ABSENT_BOOLEAN) {
+               found = TRUE;
+               for_each_entry() {
+                   b2 = next_entry->Booleans[idx];
+                   if (b1 != b2) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) printf("\t!%s.\n", name);
+               }
+           }
            break;
        }
        break;
@@ -389,23 +482,47 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
     case CMP_NUMBER:
        check_user_definable(idx, NUMWRITE);
        n1 = e1->tterm.Numbers[idx];
-       n2 = e2->tterm.Numbers[idx];
-       dump_numeric(n1, buf1);
-       dump_numeric(n2, buf2);
        switch (compare) {
        case C_DIFFERENCE:
-           if (!((n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)) && n1 != n2)
+           n2 = next_entry->Numbers[idx];
+           if (!((n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)) && n1 != n2) {
+               dump_numeric(n1, buf1);
+               dump_numeric(n2, buf2);
                (void) printf("\t%s: %s, %s.\n", name, buf1, buf2);
+           }
            break;
 
        case C_COMMON:
-           if (n1 != ABSENT_NUMERIC && n2 != ABSENT_NUMERIC && n1 == n2)
-               (void) printf("\t%s= %s.\n", name, buf1);
+           if (n1 != ABSENT_NUMERIC) {
+               found = TRUE;
+               for_each_entry() {
+                   n2 = next_entry->Numbers[idx];
+                   if (n1 != n2) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   dump_numeric(n1, buf1);
+                   (void) printf("\t%s= %s.\n", name, buf1);
+               }
+           }
            break;
 
        case C_NAND:
-           if (n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)
-               (void) printf("\t!%s.\n", name);
+           if (n1 == ABSENT_NUMERIC) {
+               found = TRUE;
+               for_each_entry() {
+                   n2 = next_entry->Numbers[idx];
+                   if (n1 != n2) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) printf("\t!%s.\n", name);
+               }
+           }
            break;
        }
        break;
@@ -413,9 +530,9 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
     case CMP_STRING:
        check_user_definable(idx, STRWRITE);
        s1 = e1->tterm.Strings[idx];
-       s2 = e2->tterm.Strings[idx];
        switch (compare) {
        case C_DIFFERENCE:
+           s2 = next_entry->Strings[idx];
            if (capcmp(idx, s1, s2)) {
                dump_string(s1, buf1);
                dump_string(s2, buf2);
@@ -425,13 +542,35 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
            break;
 
        case C_COMMON:
-           if (s1 && s2 && !capcmp(idx, s1, s2))
-               (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1));
+           if (s1 != ABSENT_STRING) {
+               found = TRUE;
+               for_each_entry() {
+                   s2 = next_entry->Strings[idx];
+                   if (capcmp(idx, s1, s2) != 0) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1));
+               }
+           }
            break;
 
        case C_NAND:
-           if (!s1 && !s2)
-               (void) printf("\t!%s.\n", name);
+           if (s1 == ABSENT_STRING) {
+               found = TRUE;
+               for_each_entry() {
+                   s2 = next_entry->Strings[idx];
+                   if (s2 != s1) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) printf("\t!%s.\n", name);
+               }
+           }
            break;
        }
        break;
@@ -450,16 +589,37 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
            break;
 
        case C_COMMON:
-           if (e1->nuses && e2->nuses && useeq(e1, e2)) {
-               (void) fputs("\tuse: ", stdout);
-               print_uses(e1, stdout);
-               fputs(".\n", stdout);
+           if (e1->nuses) {
+               found = TRUE;
+               for_each_entry() {
+                   e2 = &entries[extra++];
+                   if (e2->nuses != e1->nuses || !useeq(e1, e2)) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) fputs("\tuse: ", stdout);
+                   print_uses(e1, stdout);
+                   fputs(".\n", stdout);
+               }
            }
            break;
 
        case C_NAND:
-           if (!e1->nuses && !e2->nuses)
-               (void) printf("\t!use.\n");
+           if (!e1->nuses) {
+               found = TRUE;
+               for_each_entry() {
+                   e2 = &entries[extra++];
+                   if (e2->nuses != e1->nuses) {
+                       found = FALSE;
+                       break;
+                   }
+               }
+               if (found) {
+                   (void) printf("\t!use.\n");
+               }
+           }
            break;
        }
     }
@@ -829,6 +989,10 @@ file_comparison(int argc, char *argv[])
        if (freopen(argv[n], "r", stdin) == 0)
            _nc_err_abort("Can't open %s", argv[n]);
 
+#if NO_LEAKS
+       entered[n].head = _nc_head;
+       entered[n].tail = _nc_tail;
+#endif
        _nc_head = _nc_tail = 0;
 
        /* parse entries out of the source file */
@@ -953,6 +1117,11 @@ file_comparison(int argc, char *argv[])
 #endif
            if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) {
                char name1[NAMESIZE], name2[NAMESIZE];
+               char *names[3];
+
+               names[0] = name1;
+               names[1] = name2;
+               names[2] = 0;
 
                entries[0] = *qp;
                entries[1] = *rp;
@@ -962,29 +1131,17 @@ file_comparison(int argc, char *argv[])
 
                switch (compare) {
                case C_DIFFERENCE:
-                   if (itrace)
-                       (void) fprintf(stderr,
-                                      "%s: dumping differences\n",
-                                      _nc_progname);
-                   (void) printf("comparing %s to %s.\n", name1, name2);
+                   show_comparing(names);
                    compare_entry(compare_predicate, &entries->tterm, quiet);
                    break;
 
                case C_COMMON:
-                   if (itrace)
-                       (void) fprintf(stderr,
-                                      "%s: dumping common capabilities\n",
-                                      _nc_progname);
-                   (void) printf("comparing %s to %s.\n", name1, name2);
+                   show_comparing(names);
                    compare_entry(compare_predicate, &entries->tterm, quiet);
                    break;
 
                case C_NAND:
-                   if (itrace)
-                       (void) fprintf(stderr,
-                                      "%s: dumping differences\n",
-                                      _nc_progname);
-                   (void) printf("comparing %s to %s.\n", name1, name2);
+                   show_comparing(names);
                    compare_entry(compare_predicate, &entries->tterm, quiet);
                    break;
 
@@ -1012,6 +1169,7 @@ usage(void)
        ,"  -R subset (see manpage)"
        ,"  -T    eliminate size limits (test)"
        ,"  -U    eliminate post-processing of entries"
+       ,"  -D    print database locations"
        ,"  -V    print version"
 #if NCURSES_XNAMES
        ,"  -a    with -F, list commented-out caps"
@@ -1067,7 +1225,9 @@ any_initializer(const char *fmt, const char *type)
        need = (strlen(entries->tterm.term_names)
                + strlen(type)
                + strlen(fmt));
-       initializer = (char *) malloc(need);
+       initializer = (char *) malloc(need + 1);
+       if (initializer == 0)
+           failed("any_initializer");
     }
 
     _nc_STRCPY(initializer, entries->tterm.term_names, need);
@@ -1346,6 +1506,9 @@ main(int argc, char *argv[])
 
     /* make sure we have enough space to add two terminal entries */
     myargv = typeCalloc(char *, (size_t) (argc + 3));
+    if (myargv == 0)
+       failed("myargv");
+
     memcpy(myargv, argv, (sizeof(char *) * (size_t) argc));
     argv = myargv;
 
@@ -1528,9 +1691,16 @@ main(int argc, char *argv[])
     }
 
     maxterms = (size_t) (argc + 2 - optind);
-    tfile = typeMalloc(path, maxterms);
-    tname = typeCalloc(char *, maxterms);
-    entries = typeCalloc(ENTRY, maxterms);
+    if ((tfile = typeMalloc(path, maxterms)) == 0)
+       failed("tfile");
+    if ((tname = typeCalloc(char *, maxterms)) == 0)
+         failed("tname");
+    if ((entries = typeCalloc(ENTRY, maxterms)) == 0)
+       failed("entries");
+#if NO_LEAKS
+    if ((entered = typeCalloc(ENTERED, maxterms)) == 0)
+       failed("entered");
+#endif
 
     if (tfile == 0
        || tname == 0
@@ -1543,9 +1713,6 @@ main(int argc, char *argv[])
     if (sortmode == S_DEFAULT)
        sortmode = S_TERMINFO;
 
-    /* set up for display */
-    dump_init(tversion, outform, sortmode, mwidth, mheight, itrace, formatted);
-
     /* make sure we have at least one terminal name to work with */
     if (optind >= argc)
        argv[argc++] = terminal_env();
@@ -1554,9 +1721,23 @@ main(int argc, char *argv[])
     if (compare != C_DEFAULT && optind >= argc - 1)
        argv[argc++] = terminal_env();
 
+    /* exactly one terminal name with no options means display it */
     /* exactly two terminal names with no options means do -d */
-    if (argc - optind == 2 && compare == C_DEFAULT)
-       compare = C_DIFFERENCE;
+    if (compare == C_DEFAULT) {
+       switch (argc - optind) {
+       default:
+           fprintf(stderr, "%s: too many names to compare\n", _nc_progname);
+           ExitProgram(EXIT_FAILURE);
+       case 1:
+           break;
+       case 2:
+           compare = C_DIFFERENCE;
+           break;
+       }
+    }
+
+    /* set up for display */
+    dump_init(tversion, outform, sortmode, mwidth, mheight, itrace, formatted);
 
     if (!filecompare) {
        /* grab the entries */
@@ -1568,7 +1749,7 @@ main(int argc, char *argv[])
            tname[termcount] = argv[optind];
 
            if (directory) {
-#if USE_DATABASE
+#if NCURSES_USE_DATABASE
 #if MIXEDCASE_FILENAMES
 #define LEAF_FMT "%c"
 #else
@@ -1668,27 +1849,17 @@ main(int argc, char *argv[])
                break;
 
            case C_DIFFERENCE:
-               if (itrace)
-                   (void) fprintf(stderr, "%s: dumping differences\n", _nc_progname);
-               (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
+               show_comparing(tname);
                compare_entry(compare_predicate, &entries->tterm, quiet);
                break;
 
            case C_COMMON:
-               if (itrace)
-                   (void) fprintf(stderr,
-                                  "%s: dumping common capabilities\n",
-                                  _nc_progname);
-               (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
+               show_comparing(tname);
                compare_entry(compare_predicate, &entries->tterm, quiet);
                break;
 
            case C_NAND:
-               if (itrace)
-                   (void) fprintf(stderr,
-                                  "%s: dumping differences\n",
-                                  _nc_progname);
-               (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
+               show_comparing(tname);
                compare_entry(compare_predicate, &entries->tterm, quiet);
                break;
 
@@ -1709,15 +1880,16 @@ main(int argc, char *argv[])
                break;
            }
        }
-    } else if (compare == C_USEALL)
+    } else if (compare == C_USEALL) {
        (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
-    else if (compare == C_DEFAULT)
+    } else if (compare == C_DEFAULT) {
        (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
-    else if (argc - optind != 2)
+    } else if (argc - optind != 2) {
        (void) fprintf(stderr,
                       "File comparison needs exactly two file arguments.\n");
-    else
+    } else {
        file_comparison(argc - optind, argv + optind);
+    }
 
     MAIN_LEAKS();
     ExitProgram(EXIT_SUCCESS);