WebSVN – tendra.SVN – Diff – //trunk/src/tools/tspec/utility.c

+/*
+ * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of The TenDRA Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific, prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
 /*
     		 Crown Copyright (c) 1997
     This TenDRA(r) Computer Program is subject to Copyright
     owned by the United Kingdom Secretary of State for Defence
     acting through the Defence Evaluation and Research Agency
     (DERA).  It is made available to Recipients with a
     royalty-free licence for its use, reproduction, transfer
     to other parties and amendment for any purpose not excluding
     product development provided that any such use et cetera
     shall be deemed to be acceptance of the following conditions:-
         (1) Its Recipients shall ensure that this Notice is
         reproduced upon any copies or amended versions of it;
         (2) Any amended version of it shall be clearly marked to
         show both the nature of and the organisation responsible
         for the relevant amendment or amendments;
         (3) Its onward transfer from a recipient to another
         party shall be deemed to be that party's acceptance of
         these conditions;
         (4) DERA gives no warranty or assurance as to its
         quality or suitability for any purpose and DERA accepts
         no liability whatsoever in relation to any use to which
         it may be put.
 */
 #include <sys/stat.h>
 #include "name.h"
 #include "utility.h"
 #ifdef FS_NO_MODE_T
-typedef unsigned short mode_t ;
+typedef unsigned short mode_t;
 #endif
 #ifndef errno
-extern int errno ;
+extern int errno;
 #endif
 /*
     INPUT BUFFER
     This buffer is used to store strings in various contexts.
 */
-char *buffer = null ;
+char *buffer = null;
 /*
     ERROR VARIABLES
     can be EXIT_SUCCESS or EXIT_FAILURE.  The variable progname gives
     the name of the program, which is used in error reports.  filename
     and line_no give the current file position.
 */
-int exit_status = EXIT_SUCCESS ;
+int exit_status = EXIT_SUCCESS;
-int no_errors = 0 ;
+int no_errors = 0;
-int warnings = 1 ;
+int warnings = 1;
-char *progname = "tspec" ;
+char *progname = "tspec";
-char *progvers = "2.8" ;
+char *progvers = "2.8";
-time_t progdate = 0 ;
+time_t progdate = 0;
-char *filename = null ;
+char *filename = null;
-int line_no = 1 ;
+int line_no = 1;
 /*
     PRINT AN ERROR MESSAGE
     This routine prints an error message s (a printf-style string,
     which may be followed by any number of arguments) of severity e
     (see utility.h).
 */
-void error
+void
-    PROTO_V ( ( int e, char *s, ... ) ) /* VARARGS */
+error(int e, char *s, ...) /* VARARGS */
+{
-    va_list args ;
+    va_list args;
-    char *errtype = null ;
+    char *errtype = null;
-    boolean show_line = 1 ;
+    boolean show_line = 1;
 #if FS_STDARG
-    va_start ( args, s ) ;
+    va_start(args, s);
 #else
-    int e ;
+    int e;
-    char *s ;
+    char *s;
-    va_start ( args ) ;
+    va_start(args);
-    e = va_arg ( args, int ) ;
+    e = va_arg(args, int);
-    s = va_arg ( args, char * ) ;
+    s = va_arg(args, char *);
 #endif
-    switch ( e ) {
+    switch (e) {
-	case ERR_FATAL : {
+	case ERR_FATAL: {
-	    exit_status = EXIT_FAILURE ;
+	    exit_status = EXIT_FAILURE;
-	    errtype = "Fatal" ;
+	    errtype = "Fatal";
-	    no_errors++ ;
+	    no_errors++;
-	    break ;
+	    break;
+	}
-	case ERR_INTERNAL : {
+	case ERR_INTERNAL: {
-	    exit_status = EXIT_FAILURE ;
+	    exit_status = EXIT_FAILURE;
-	    errtype = "Internal" ;
+	    errtype = "Internal";
-	    no_errors++ ;
+	    no_errors++;
-	    break ;
+	    break;
+	}
-	case ERR_SERIOUS : {
+	case ERR_SERIOUS: {
-	    exit_status = EXIT_FAILURE ;
+	    exit_status = EXIT_FAILURE;
-	    errtype = "Error" ;
+	    errtype = "Error";
-	    no_errors++ ;
+	    no_errors++;
-	    break ;
+	    break;
+	}
-	case ERR_WARNING : {
+	case ERR_WARNING: {
-	    if ( !warnings ) {
+	    if (!warnings) {
-		va_end ( args ) ;
+		va_end(args);
-		return ;
+		return;
+	    }
-	    errtype = "Warning" ;
+	    errtype = "Warning";
-	    break ;
+	    break;
+	}
-	case ERR_INFO : {
+	case ERR_INFO: {
-	    errtype = "Info" ;
+	    errtype = "Info";
-	    show_line = 0 ;
+	    show_line = 0;
-	    break ;
+	    break;
+	}
+    }
-    if ( progname ) IGNORE fprintf ( stderr, "%s: ", progname ) ;
+    if (progname)IGNORE fprintf(stderr, "%s: ", progname);
-    if ( errtype ) IGNORE fprintf ( stderr, "%s: ", errtype ) ;
+    if (errtype)IGNORE fprintf(stderr, "%s: ", errtype);
-    IGNORE vfprintf ( stderr, s, args ) ;
+    IGNORE vfprintf(stderr, s, args);
-    if ( filename && show_line ) {
+    if (filename && show_line) {
-	IGNORE fprintf ( stderr, ", %s, line %d", filename, line_no ) ;
+	IGNORE fprintf(stderr, ", %s, line %d", filename, line_no);
+    }
-    IGNORE fprintf ( stderr, ".\n" ) ;
+    IGNORE fprintf(stderr, ".\n");
-    va_end ( args ) ;
+    va_end(args);
-    if ( e == ERR_FATAL ) exit ( exit_status ) ;
+    if (e == ERR_FATAL)exit(exit_status);
-    return ;
+    return;
+}
 /*
     ALLOCATE A BLOCK OF MEMORY
     This routine allocates a block of memory of size sz and returns
     the result.
 */
-pointer xalloc
+pointer
-    PROTO_N ( ( sz ) )
-    PROTO_T ( int sz )
+xalloc(int sz)
+{
-    pointer p = ( pointer ) malloc ( ( size_t ) sz ) ;
+    pointer p = (pointer)malloc((size_t)sz);
-    if ( p == null ) error ( ERR_FATAL, "Memory allocation error" ) ;
+    if (p == null)error(ERR_FATAL, "Memory allocation error");
-    return ( p ) ;
+    return(p);
+}
 /*
     REALLOCATE A BLOCK OF MEMORY
     This routine reallocates the block of memory p to have size sz.
     xrealloc ( null, sz ) is equivalent to xalloc ( sz ).
 */
-pointer xrealloc
+pointer
-    PROTO_N ( ( p, sz ) )
-    PROTO_T ( pointer p X int sz )
+xrealloc(pointer p, int sz)
+{
-    pointer q ;
+    pointer q;
-    if ( p == null ) return ( xalloc ( sz ) ) ;
+    if (p == null) return(xalloc(sz));
-    q = ( pointer ) realloc ( p, ( size_t ) sz ) ;
+    q = (pointer)realloc(p,(size_t)sz);
-    if ( q == null ) error ( ERR_FATAL, "Memory reallocation error" ) ;
+    if (q == null)error(ERR_FATAL, "Memory reallocation error");
-    return ( q ) ;
+    return(q);
+}
 /*
     ALLOCATE SPACE FOR A STRING
     This routine allocates space for a string of size n.
 */
-static char *string_alloc
+static char *
-    PROTO_N ( ( n ) )
-    PROTO_T ( int n )
+string_alloc(int n)
+{
-    char *r ;
+    char *r;
-    if ( n >= 1000 ) {
+    if (n >= 1000) {
 	/* Long strings are allocated space by alloc_nof */
-	r = alloc_nof ( char, n ) ;
+	r = alloc_nof(char, n);
     } else {
 	/* Short strings are allocated space from a buffer */
-	static int no_free = 0 ;
+	static int no_free = 0;
-	static char *free_chars = null ;
+	static char *free_chars = null;
-	if ( n >= no_free ) {
+	if (n >= no_free) {
-	    no_free = 1000 ;
+	    no_free = 1000;
-	    free_chars = alloc_nof ( char, no_free ) ;
+	    free_chars = alloc_nof(char, no_free);
+	}
-	r = free_chars ;
+	r = free_chars;
-	no_free -= n ;
+	no_free -= n;
-	free_chars += n ;
+	free_chars += n;
+    }
-    return ( r ) ;
+    return(r);
+}
 /*
     COPY A STRING
     This routine allocates space for a copy of the string s and copies
     the string into this space.  This copy is returned.
 */
-char *string_copy
+char *
-    PROTO_N ( ( s ) )
-    PROTO_T ( char *s )
+string_copy(char *s)
+{
-    int n = ( int ) strlen ( s ) ;
+    int n = (int)strlen(s);
-    char *r = string_alloc ( n + 1 ) ;
+    char *r = string_alloc(n + 1);
-    IGNORE strcpy ( r, s ) ;
+    IGNORE strcpy(r, s);
-    return ( r ) ;
+    return(r);
+}
 /*
     CONCATENCATE TWO STRINGS
     This routine allocates space for the concatenation of the strings
     s and t.
 */
-char *string_concat
+char *
-    PROTO_N ( ( s, t ) )
-    PROTO_T ( char *s X char *t )
+string_concat(char *s, char *t)
+{
-    int n = ( int ) strlen ( s ) ;
+    int n = (int)strlen(s);
-    int m = ( int ) strlen ( t ) ;
+    int m = (int)strlen(t);
-    char *r = string_alloc ( n + m + 1 ) ;
+    char *r = string_alloc(n + m + 1);
-    IGNORE strcpy ( r, s ) ;
+    IGNORE strcpy(r, s);
-    IGNORE strcpy ( r + n, t ) ;
+    IGNORE strcpy(r + n, t);
-    return ( r ) ;
+    return(r);
+}
 /*
     CONSTRUCT A STRING
     This routine takes a printf string and a list of arguments, and
     does a sprintf into a permanent area of memory.
 */
-char *string_printf
+char *
-    PROTO_V ( ( char *s, ... ) ) /* VARARGS */
+string_printf(char *s, ...) /* VARARGS */
+{
-    va_list args ;
+    va_list args;
 #if FS_STDARG
-    va_start ( args, s ) ;
+    va_start(args, s);
 #else
-    char *s ;
+    char *s;
-    va_start ( args ) ;
+    va_start(args);
-    s = va_arg ( args, char * ) ;
+    s = va_arg(args, char *);
 #endif
-    IGNORE vsprintf ( buffer, s, args ) ;
+    IGNORE vsprintf(buffer, s, args);
-    va_end ( args ) ;
+    va_end(args);
-    return ( string_copy ( buffer ) ) ;
+    return(string_copy(buffer));
+}
 /*
     MODE OF DIRECTORIES CREATED
     The mode of any created directories is determined.  On a truly POSIX
     compliant machine, the first branch is taken.
 */
-#if defined ( S_IRWXU ) && defined ( S_IRWXG ) && defined ( S_IRWXO )
+#if defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO)
-#define  DIRMODE	( S_IRWXU | S_IRWXG | S_IRWXO )
+#define  DIRMODE	(S_IRWXU | S_IRWXG | S_IRWXO)
 #else
-#if defined ( S_IREAD ) && defined ( S_IWRITE ) && defined ( S_IEXEC )
+#if defined(S_IREAD) && defined(S_IWRITE) && defined(S_IEXEC)
-#define  DIRMODE	( S_IREAD | S_IWRITE | S_IEXEC )
+#define  DIRMODE	(S_IREAD | S_IWRITE | S_IEXEC)
 #else
 #define  DIRMODE	0777
 #endif
 #endif
     This routine recursively creates a directory to contain a file
     named nm.
 */
-void create_dir
+void
-    PROTO_N ( ( nm ) )
-    PROTO_T ( char *nm )
+create_dir(char *nm)
+{
-    struct stat st ;
+    struct stat st;
-    char *dir = dirname ( nm ) ;
+    char *dir = dirname(nm);
-    if ( dir == null ) return ;
+    if (dir == null) return;
-    if ( stat ( dir, &st ) == 0 ) return ;
+    if (stat(dir, &st) == 0) return;
 #ifdef ENOENT
-    if ( errno != ENOENT ) {
+    if (errno != ENOENT) {
-	error ( ERR_SERIOUS, "Illegal directory, %s", dir ) ;
+	error(ERR_SERIOUS, "Illegal directory, %s", dir);
-	return ;
+	return;
+    }
 #endif
-    create_dir ( dir ) ;
+    create_dir(dir);
-    if ( verbose ) error ( ERR_INFO, "Creating directory, %s ...", dir ) ;
+    if (verbose) IGNORE printf("Creating directory, %s ...\n", dir);
-    if ( mkdir ( dir, ( mode_t ) DIRMODE ) ) {
+    if (mkdir(dir,(mode_t)DIRMODE)) {
-	error ( ERR_SERIOUS, "Can't create directory, %s", dir ) ;
+	error(ERR_SERIOUS, "Can't create directory, %s", dir);
-	return ;
+	return;
+    }
-    return ;
+    return;
+}
 /*
     CHECK A FILENAME
     This routine checks the file name nm for excessively long components,
     which may cause problems on some machines.
 */
-void check_name
+void
-    PROTO_N ( ( nm ) )
-    PROTO_T ( char *nm )
+check_name(char *nm)
+{
-    char *p ;
+    char *p;
-    int i = 0, n = 0 ;
+    int i = 0, n = 0;
-    for ( p = nm ; *p ; p++ ) {
+    for (p = nm; *p; p++) {
-	if ( *p == '/' ) {
+	if (*p == '/') {
-	    if ( i > n ) n = i ;
+	    if (i > n)n = i;
-	    i = 0 ;
+	    i = 0;
 	} else {
-	    i++ ;
+	    i++;
+	}
+    }
-    if ( i > n ) n = i ;
+    if (i > n)n = i;
-    if ( n > 14 ) {
+    if (n > 14) {
-	char *err = "The filename %s contains a component of length %d" ;
+	char *err = "The filename %s contains a component of length %d";
-	error ( ERR_WARNING, err, nm, n ) ;
+	error(ERR_WARNING, err, nm, n);
+    }
-    return ;
+    return;
+}
 /*
     FIND THE DATE STAMP ON A FILE
     This routine finds the modification time of the file nm.  Zero is
     returned for inaccessible files.
 */
-time_t date_stamp
+time_t
-    PROTO_N ( ( nm ) )
-    PROTO_T ( char *nm )
+date_stamp(char *nm)
+{
-    struct stat st ;
+    struct stat st;
-    if ( nm && stat ( nm, &st ) == 0 ) return ( st.st_mtime ) ;
+    if (nm && stat(nm, &st) == 0) return(st.st_mtime);
-    return ( ( time_t ) 0 ) ;
+    return((time_t)0);
+}

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(root)//trunk/src/tools/tspec/utility.c – Rev 2 → 7