/* ebrowse.c --- parsing files for the ebrowse C++ browser
-Copyright (C) 1992-2012 Free Software Foundation, Inc.
+Copyright (C) 1992-2015 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
+#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define READ_CHUNK_SIZE (100 * 1024)
-/* The character used as a separator in path lists (like $PATH). */
-
#if defined (__MSDOS__)
-#define PATH_LIST_SEPARATOR ';'
#define FILENAME_EQ(X,Y) (strcasecmp (X,Y) == 0)
#else
#if defined (WINDOWSNT)
-#define PATH_LIST_SEPARATOR ';'
#define FILENAME_EQ(X,Y) (stricmp (X,Y) == 0)
#else
-#define PATH_LIST_SEPARATOR ':'
#define FILENAME_EQ(X,Y) (streq (X,Y))
#endif
#endif
char *def_regexp; /* Regular expression matching definition. */
const char *def_filename; /* File name of definition. */
int def_pos; /* Buffer position of definition. */
- char name[1]; /* Member name. */
+ char name[FLEXIBLE_ARRAY_MEMBER]; /* Member name. */
};
/* Structures of this type are used to connect class structures with
struct alias *next; /* Next in list. */
struct sym *namesp; /* Namespace in which defined. */
struct link *aliasee; /* List of aliased namespaces (A::B::C...). */
- char name[1]; /* Alias name. */
+ char name[FLEXIBLE_ARRAY_MEMBER]; /* Alias name. */
};
/* The structure used to describe a class in the symbol table,
const char *filename; /* File in which it can be found. */
const char *sfilename; /* File in which members can be found. */
struct sym *namesp; /* Namespace in which defined. . */
- char name[1]; /* Name of the class. */
+ char name[FLEXIBLE_ARRAY_MEMBER]; /* Name of the class. */
};
/* Experimental: Print info for `--position-info'. We print
static void class_definition (struct sym *, int, int, int);
static char *operator_name (int *);
static void parse_qualified_param_ident_or_type (char **);
-static void usage (int) NO_RETURN;
-static void version (void) NO_RETURN;
-
-
\f
/***********************************************************************
Utilities
xstrdup (char *s)
{
if (s)
- s = strcpy (xmalloc (strlen (s) + 1), s);
+ return strcpy (xmalloc (strlen (s) + 1), s);
return s;
}
puts (name);
}
- sym = (struct sym *) xmalloc (sizeof *sym + strlen (name));
- memset (sym, 0, sizeof *sym);
+ sym = xmalloc (offsetof (struct sym, name) + strlen (name) + 1);
+ memset (sym, 0, offsetof (struct sym, name));
strcpy (sym->name, name);
sym->namesp = scope;
sym->next = class_table[h];
static struct member *
add_member (struct sym *cls, char *name, int var, int sc, unsigned int hash)
{
- struct member *m = (struct member *) xmalloc (sizeof *m + strlen (name));
+ struct member *m = xmalloc (offsetof (struct member, name)
+ + strlen (name) + 1);
struct member **list;
struct member *p;
struct member *prev;
static struct sym *
make_namespace (char *name, struct sym *context)
{
- struct sym *s = (struct sym *) xmalloc (sizeof *s + strlen (name));
- memset (s, 0, sizeof *s);
+ struct sym *s = xmalloc (offsetof (struct sym, name) + strlen (name) + 1);
+ memset (s, 0, offsetof (struct sym, name));
strcpy (s->name, name);
s->next = all_namespaces;
s->namesp = context;
if (streq (new_name, al->name) && (al->namesp == current_namespace))
return;
- al = (struct alias *) xmalloc (sizeof *al + strlen (new_name));
+ al = xmalloc (offsetof (struct alias, name) + strlen (new_name) + 1);
strcpy (al->name, new_name);
al->next = namespace_alias_table[h];
al->namesp = current_namespace;
/* Write string S to the output file FP in a Lisp-readable form.
If S is null, write out `()'. */
-static inline void
+static void
putstr (const char *s, FILE *fp)
{
if (!s)
if (*scope_buffer)
{
ensure_scope_buffer_room (3);
- strcat (scope_buffer, "::");
+ strcpy (scope_buffer + scope_buffer_len, "::");
scope_buffer_len += 2;
}
len = strlen (p->name);
ensure_scope_buffer_room (len + 1);
- strcat (scope_buffer, p->name);
+ strcpy (scope_buffer + scope_buffer_len, p->name);
scope_buffer_len += len;
if (HAS_FLAG (p->flags, F_TEMPLATE))
{
ensure_scope_buffer_room (3);
- strcat (scope_buffer, "<>");
+ strcpy (scope_buffer + scope_buffer_len, "<>");
scope_buffer_len += 2;
}
s = token_string (LA1);
MATCH ();
- len = strlen (s) + 10;
+ ptrdiff_t slen = strlen (s);
+ len = slen + 10;
if (len > id_size)
{
size_t new_size = max (len, 2 * id_size);
id = (char *) xrealloc (id, new_size);
id_size = new_size;
}
- strcpy (id, s);
+ char *z = stpcpy (id, s);
/* Vector new or delete? */
if (LOOKING_AT ('['))
{
- strcat (id, "[");
+ z = stpcpy (z, "[");
MATCH ();
if (LOOKING_AT (']'))
{
- strcat (id, "]");
+ strcpy (z, "]");
MATCH ();
}
}
id = (char *) xrealloc (id, new_size);
id_size = new_size;
}
- strcpy (id, "operator");
+ char *z = stpcpy (id, "operator");
/* Beware access declarations of the form "X::f;" Beware of
`operator () ()'. Yet another difficulty is found in
len += strlen (s) + 2;
if (len > id_size)
{
+ ptrdiff_t idlen = z - id;
size_t new_size = max (len, 2 * id_size);
id = (char *) xrealloc (id, new_size);
id_size = new_size;
+ z = id + idlen;
}
if (*s != ')' && *s != ']')
- strcat (id, " ");
- strcat (id, s);
+ *z++ = ' ';
+ z = stpcpy (z, s);
MATCH ();
/* If this is a simple operator like `+', stop now. */
char *start = path_list;
struct search_path *p;
- while (*path_list && *path_list != PATH_LIST_SEPARATOR)
+ while (*path_list && *path_list != SEPCHAR)
++path_list;
p = (struct search_path *) xmalloc (sizeof *p);
else
search_path = search_path_tail = p;
- while (*path_list == PATH_LIST_SEPARATOR)
+ while (*path_list == SEPCHAR)
++path_list;
}
}
buffer = (char *) xrealloc (buffer, buffer_size);
}
- strcpy (buffer, path->path);
- strcat (buffer, "/");
- strcat (buffer, file);
+ char *z = stpcpy (buffer, path->path);
+ *z++ = '/';
+ strcpy (z, file);
fp = fopen (buffer, "r");
}
/* Display usage information and exit program. */
-#define USAGE "\
+static char const *const usage_message[] =
+ {
+ "\
Usage: ebrowse [options] {files}\n\
\n\
-a, --append append output to existing file\n\
-I, --search-path=LIST set search path for input files\n\
-m, --min-regexp-length=N set minimum regexp length to N\n\
-M, --max-regexp-length=N set maximum regexp length to N\n\
+",
+ "\
-n, --no-nested-classes exclude nested classes\n\
-o, --output-file=FILE set output file name to FILE\n\
-p, --position-info print info about position in file\n\
-x, --no-regexps don't record regular expressions\n\
--help display this help\n\
--version display version info\n\
+\n\
"
+ };
-static void
+static _Noreturn void
usage (int error)
{
- puts (USAGE);
+ int i;
+ for (i = 0; i < sizeof usage_message / sizeof *usage_message; i++)
+ fputs (usage_message[i], stdout);
exit (error ? EXIT_FAILURE : EXIT_SUCCESS);
}
# define VERSION "21"
#endif
-static void
+static _Noreturn void
version (void)
{
- /* Makes it easier to update automatically. */
- char emacs_copyright[] = "Copyright (C) 2012 Free Software Foundation, Inc.";
+ char emacs_copyright[] = COPYRIGHT;
printf ("ebrowse %s\n", VERSION);
puts (emacs_copyright);