WebSVN – tendra.SVN – Diff – /trunk/src/tools/tnc/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 "fetch.h"
 #include "file.h"
 #include "table.h"
 #include "utility.h"
 #include "write.h"
-extern char *progname ;
+extern char *progname;
-extern char *capname ;
+extern char *capname;
-extern int decode_status ;
+extern int decode_status;
-extern int have_version ;
+extern int have_version;
 /*
     ARE INPUT AND OUTPUT TEXT OR CODE?
     The form of any error message depends on whether the input file
     is text or code.
 */
-boolean text_input = 1 ;
+boolean text_input = 1;
-boolean text_output = 0 ;
+boolean text_output = 0;
 /*
     EXIT STATUS
     The overall exit status of the program.
 */
-int exit_status = EXIT_SUCCESS ;
+int exit_status = EXIT_SUCCESS;
 /*
     REPORT A FATAL ERROR
     The error s is reported and the program exits.
 */
-void fatal_error
+void
-    PROTO_V ( ( char *s, ... ) ) /* VARARGS */
+fatal_error(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
-    if ( progname ) IGNORE fprintf ( stderr, "%s: ", progname ) ;
+    if (progname)IGNORE fprintf(stderr, "%s: ", progname);
-    IGNORE fprintf ( stderr, "Error: " ) ;
+    IGNORE fprintf(stderr, "Error: ");
-    IGNORE vfprintf ( stderr, s, args ) ;
+    IGNORE vfprintf(stderr, s, args);
-    IGNORE fprintf ( stderr, ".\n" ) ;
+    IGNORE fprintf(stderr, ".\n");
-    va_end ( args ) ;
+    va_end(args);
-    exit ( EXIT_FAILURE ) ;
+    exit(EXIT_FAILURE);
+}
 /*
     IS AN INPUT ERROR FATAL?
     Not all input errors cause an immediate exit.  These should set
     is_fatal to false before calling input_error.
 */
-boolean is_fatal = 1 ;
+boolean is_fatal = 1;
 /*
     REPORT AN INPUT ERROR
     The input error s is reported and the program exits.
 */
-void input_error
+void
-    PROTO_V ( ( char *s, ... ) ) /* VARARGS */
+input_error(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
-    if ( progname ) IGNORE fprintf ( stderr, "%s: ", progname ) ;
+    if (progname)IGNORE fprintf(stderr, "%s: ", progname);
-    IGNORE fprintf ( stderr, "Error: " ) ;
+    IGNORE fprintf(stderr, "Error: ");
-    IGNORE vfprintf ( stderr, s, args ) ;
+    IGNORE vfprintf(stderr, s, args);
-    if ( input_file ) {
+    if (input_file) {
-	IGNORE fprintf ( stderr, ", %s", input_file ) ;
+	IGNORE fprintf(stderr, ", %s", input_file);
-	if ( text_input ) {
+	if (text_input) {
-	    IGNORE fprintf ( stderr, ", line %ld", line_no ) ;
+	    IGNORE fprintf(stderr, ", line %ld", line_no);
 	} else {
-	    long b = input_posn () ;
+	    long b = input_posn();
-	    if ( capname ) {
+	    if (capname) {
-		IGNORE fprintf ( stderr, ", capsule %s", capname ) ;
+		IGNORE fprintf(stderr, ", capsule %s", capname);
+	    }
-	    switch ( decode_status ) {
+	    switch (decode_status) {
-		case 0 : {
+		case 0: {
-		    IGNORE fprintf ( stderr, " (at outermost level)" ) ;
+		    IGNORE fprintf(stderr, " (at outermost level)");
-		    break ;
+		    break;
+		}
-		case 1 : {
+		case 1: {
-		    IGNORE fprintf ( stderr, " (in linking information)" ) ;
+		    IGNORE fprintf(stderr, " (in linking information)");
-		    break ;
+		    break;
+		}
-		case 2 : {
+		case 2: {
-		    IGNORE fprintf ( stderr, " (in unit body)" ) ;
+		    IGNORE fprintf(stderr, " (in unit body)");
-		    break ;
+		    break;
+		}
+	    }
-	    IGNORE fprintf ( stderr, ", byte %ld, bit %ld", b / 8, b % 8 ) ;
+	    IGNORE fprintf(stderr, ", byte %ld, bit %ld", b / 8, b % 8);
-	    if ( decode_status == 0 ) {
+	    if (decode_status == 0) {
-		IGNORE fprintf ( stderr, " (Illegal TDF capsule?)" ) ;
+		IGNORE fprintf(stderr, " (Illegal TDF capsule?)");
+	    }
-	    if ( decode_status >= 1 && !have_version ) {
+	    if (decode_status >= 1 && !have_version) {
-		IGNORE fprintf ( stderr, " (TDF version error?)" ) ;
+		IGNORE fprintf(stderr, " (TDF version error?)");
+	    }
+	}
+    }
-    IGNORE fprintf ( stderr, ".\n" ) ;
+    IGNORE fprintf(stderr, ".\n");
-    va_end ( args ) ;
+    va_end(args);
-    if ( is_fatal ) {
+    if (is_fatal) {
-	if ( text_output ) {
+	if (text_output) {
-	    sort_all () ;
+	    sort_all();
-	    print_capsule () ;
+	    print_capsule();
-	    IGNORE fputs ( "# TERMINATED ON INPUT ERROR\n", output ) ;
+	    IGNORE fputs("# TERMINATED ON INPUT ERROR\n", output);
+	}
-	exit ( EXIT_FAILURE ) ;
+	exit(EXIT_FAILURE);
+    }
-    is_fatal = 1 ;
+    is_fatal = 1;
-    exit_status = EXIT_FAILURE ;
+    exit_status = EXIT_FAILURE;
-    return ;
+    return;
+}
 /*
     ISSUE A WARNING
     The warning message s is printed.
 */
-void warning
+void
-    PROTO_V ( ( char *s, ... ) ) /* VARARGS */
+warning(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
-    if ( progname ) IGNORE fprintf ( stderr, "%s: ", progname ) ;
+    if (progname)IGNORE fprintf(stderr, "%s: ", progname);
-    IGNORE fprintf ( stderr, "Warning: " ) ;
+    IGNORE fprintf(stderr, "Warning: ");
-    IGNORE vfprintf ( stderr, s, args ) ;
+    IGNORE vfprintf(stderr, s, args);
-    IGNORE fprintf ( stderr, ".\n" ) ;
+    IGNORE fprintf(stderr, ".\n");
-    va_end ( args ) ;
+    va_end(args);
-    return ;
+    return;
+}
 /*
     ALLOCATE A SECTION OF MEMORY
     This routine allocates n bytes of memory.
 */
-pointer xalloc
+pointer
-    PROTO_N ( ( n ) )
-    PROTO_T ( int n )
+xalloc(int n)
+{
-    pointer ptr ;
+    pointer ptr;
-    if ( n == 0 ) return ( null ) ;
+    if (n == 0) return(null);
-    ptr = ( pointer ) malloc ( ( size_t ) n ) ;
+    ptr = (pointer)malloc((size_t)n);
-    if ( ptr == null ) {
+    if (ptr == null) {
-	if ( !text_input && decode_status == 0 ) {
+	if (!text_input && decode_status == 0) {
-	    fatal_error ( "Memory allocation error (Illegal TDF capsule?)" ) ;
+	    fatal_error("Memory allocation error (Illegal TDF capsule?)");
+	}
-	fatal_error ( "Memory allocation error" ) ;
+	fatal_error("Memory allocation error");
+    }
-    return ( ptr ) ;
+    return(ptr);
+}
 /*
     REALLOCATE A SECTION OF MEMORY
     This routine reallocates n bytes of memory for the pointer p.
 */
-pointer xrealloc
+pointer
-    PROTO_N ( ( p, n ) )
-    PROTO_T ( pointer p X int n )
+xrealloc(pointer p, int n)
+{
-    pointer ptr ;
+    pointer ptr;
-    if ( n == 0 ) return ( null ) ;
+    if (n == 0) return(null);
-    if ( p == null ) return ( xalloc ( n ) ) ;
+    if (p == null) return(xalloc(n));
-    ptr = ( pointer ) realloc ( p, ( size_t ) n ) ;
+    ptr = (pointer)realloc(p,(size_t)n);
-    if ( ptr == null ) fatal_error ( "Memory allocation error" ) ;
+    if (ptr == null)fatal_error("Memory allocation error");
-    return ( ptr ) ;
+    return(ptr);
+}
 /*
     MAKE A COPY OF A STRING
     This routine makes a permanent copy of the string s of length n.
 */
-char *string_copy
+char *
-    PROTO_N ( ( s, n ) )
-    PROTO_T ( char *s X int n )
+string_copy(char *s, int n)
+{
-    int m = ( n + 1 ) * ( int ) sizeof ( char ) ;
+    int m = (n + 1)*(int)sizeof(char);
-    char *p = ( char * ) xalloc ( m ) ;
+    char *p = (char *)xalloc(m);
-    IGNORE strncpy ( p, s, ( size_t ) n ) ;
+    IGNORE strncpy(p, s,(size_t)n);
-    p [n] = 0 ;
+    p[n] = 0;
-    return ( p ) ;
+    return(p);
+}
 /*
     MAKE A TEMPORARY COPY OF A STRING
     This routine copies a string into a temporary buffer.
 */
-char *temp_copy
+char *
-    PROTO_N ( ( s ) )
-    PROTO_T ( char *s )
+temp_copy(char *s)
+{
-    static char *buff = null ;
+    static char *buff = null;
-    static int bufflen = 0 ;
+    static int bufflen = 0;
-    int n = ( int ) strlen ( s ) + 1 ;
+    int n = (int)strlen(s) + 1;
-    if ( n >= bufflen ) {
+    if (n >= bufflen) {
-	bufflen = n + 100 ;
+	bufflen = n + 100;
-	buff = ( char * ) xrealloc ( ( pointer ) buff, bufflen ) ;
+	buff = (char *)xrealloc((pointer)buff, bufflen);
+    }
-    IGNORE strcpy ( buff, s ) ;
+    IGNORE strcpy(buff, s);
-    return ( buff ) ;
+    return(buff);
+}
 /*
     CONVERT AN UNSIGNED LONG TO OCTAL
     The result is returned as a string of octal digits.
 */
-char *ulong_to_octal
+char *
-    PROTO_N ( ( n ) )
-    PROTO_T ( unsigned long n )
+ulong_to_octal(unsigned long n)
+{
-    int i = 99 ;
+    int i = 99;
-    char buff [100] ;
+    char buff[100];
-    if ( n == 0 ) return ( "0" ) ;
+    if (n == 0) return("0");
-    buff [i] = 0 ;
+    buff[i] = 0;
-    while ( n ) {
+    while (n) {
-	buff [ --i ] = ( char ) ( '0' + ( n & 7 ) ) ;
+	buff[--i] = (char)('0' + (n & 7));
-	n >>= 3 ;
+	n >>= 3;
+    }
-    return ( string_copy ( buff + i, 99 - i ) ) ;
+    return(string_copy(buff + i, 99 - i));
+}
 /*
     CONVERT AN OCTAL STRING TO AN UNSIGNED LONG
     Any overflow is ignored (but see below).
 */
-unsigned long octal_to_ulong
+unsigned long
-    PROTO_N ( ( num ) )
-    PROTO_T ( char *num )
+octal_to_ulong(char *num)
+{
-    unsigned long n = 0 ;
+    unsigned long n = 0;
-    for ( ; *num ; num++ ) {
+    for (; *num; num++) {
-	n = ( n << 3 ) + ( unsigned long ) ( *num - '0' ) ;
+	n = (n << 3) + (unsigned long)(*num - '0');
+    }
-    return ( n ) ;
+    return(n);
+}
 /*
     DOES THE GIVEN OCTAL STRING FIT INTO AN UNSIGNED LONG?
     The number of binary digits needed to represent the octal number
     is calculated and compared against the number of bits in an
     unsigned long, minus sz (to allow for a sign bit).
 */
-boolean fits_ulong
+boolean
-    PROTO_N ( ( num, sz ) )
-    PROTO_T ( char *num X int sz )
+fits_ulong(char *num, int sz)
+{
-    int n = 3 * ( int ) strlen ( num ) ;
+    int n = 3 *(int)strlen(num);
-    int m = BYTESIZE * ( int ) sizeof ( unsigned long ) - sz ;
+    int m = BYTESIZE *(int)sizeof(unsigned long) - sz;
-    switch ( *num ) {
+    switch (*num) {
-	case '0' : n -= 3 ; break ;
+	case '0': n -= 3; break;
-	case '1' : n -= 2 ; break ;
+	case '1': n -= 2; break;
-	case '2' : n -= 1 ; break ;
+	case '2': n -= 1; break;
-	case '3' : n -= 1 ; break ;
+	case '3': n -= 1; break;
+    }
-    if ( n <= m ) return ( 1 ) ;
+    if (n <= m) return(1);
-    return ( 0 ) ;
+    return(0);
+}

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