347 lines
7.0 KiB
C
347 lines
7.0 KiB
C
/*
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* Utility routines
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*
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* Copyright 1998,2000 Bertho A. Stultiens
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#include <ctype.h>
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#include "wmctypes.h"
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#include "utils.h"
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#include "wmc.h"
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#define SUPPRESS_YACC_ERROR_MESSAGE
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static void generic_msg(const char *s, const char *t, va_list ap)
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{
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fprintf(stderr, "%s:%d:%d: %s: ", input_name ? input_name : "stdin", line_number, char_number, t);
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vfprintf(stderr, s, ap);
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}
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/*
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* The yyerror routine should not exit because we use the error-token
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* to determine the syntactic error in the source. However, YACC
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* uses the same routine to print an error just before the error
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* token is reduced.
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* The extra routine 'xyyerror' is used to exit after giving a real
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* message.
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*/
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int mcy_error(const char *s, ...)
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{
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#ifndef SUPPRESS_YACC_ERROR_MESSAGE
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va_list ap;
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va_start(ap, s);
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generic_msg(s, "Yacc error", ap);
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va_end(ap);
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#endif
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return 1;
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}
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int xyyerror(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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generic_msg(s, "Error", ap);
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va_end(ap);
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exit(1);
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return 1;
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}
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int mcy_warning(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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generic_msg(s, "Warning", ap);
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va_end(ap);
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return 0;
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}
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void internal_error(const char *file, int line, const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "Internal error (please report) %s %d: ", file, line);
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vfprintf(stderr, s, ap);
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va_end(ap);
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exit(3);
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}
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void fatal_perror( const char *msg, ... )
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{
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va_list valist;
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va_start( valist, msg );
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fprintf(stderr, "Error: ");
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vfprintf( stderr, msg, valist );
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perror( " " );
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va_end( valist );
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exit(2);
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}
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void error(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "Error: ");
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vfprintf(stderr, s, ap);
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va_end(ap);
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exit(2);
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}
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void warning(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "Warning: ");
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vfprintf(stderr, s, ap);
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va_end(ap);
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}
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char *dup_basename(const char *name, const char *ext)
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{
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int namelen;
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int extlen = strlen(ext);
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char *base;
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char *slash;
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if(!name)
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name = "wmc.tab";
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slash = strrchr(name, '/');
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if (slash)
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name = slash + 1;
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namelen = strlen(name);
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/* +4 for later extension and +1 for '\0' */
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base = xmalloc(namelen +4 +1);
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strcpy(base, name);
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if(!strcasecmp(name + namelen-extlen, ext))
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{
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base[namelen - extlen] = '\0';
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}
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return base;
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}
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void *xmalloc(size_t size)
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{
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void *res;
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assert(size > 0);
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res = malloc(size);
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if(res == NULL)
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{
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error("Virtual memory exhausted.\n");
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}
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memset(res, 0x55, size);
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return res;
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}
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void *xrealloc(void *p, size_t size)
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{
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void *res;
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assert(size > 0);
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res = realloc(p, size);
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if(res == NULL)
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{
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error("Virtual memory exhausted.\n");
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}
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return res;
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}
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char *xstrdup(const char *str)
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{
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char *s;
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assert(str != NULL);
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s = xmalloc(strlen(str)+1);
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return strcpy(s, str);
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}
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char *strmake( const char* fmt, ... )
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{
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int n;
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size_t size = 100;
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va_list ap;
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for (;;)
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{
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char *p = xmalloc( size );
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va_start( ap, fmt );
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n = vsnprintf( p, size, fmt, ap );
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va_end( ap );
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if (n == -1) size *= 2;
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else if ((size_t)n >= size) size = n + 1;
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else return p;
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free( p );
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}
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}
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int unistrlen(const WCHAR *s)
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{
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int n;
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for(n = 0; *s; n++, s++)
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;
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return n;
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}
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WCHAR *unistrcpy(WCHAR *dst, const WCHAR *src)
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{
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WCHAR *t = dst;
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while(*src)
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*t++ = *src++;
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*t = 0;
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return dst;
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}
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WCHAR *xunistrdup(const WCHAR * str)
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{
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WCHAR *s;
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assert(str != NULL);
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s = xmalloc((unistrlen(str)+1) * sizeof(WCHAR));
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return unistrcpy(s, str);
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}
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int unistricmp(const WCHAR *s1, const WCHAR *s2)
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{
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int i;
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int once = 0;
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static const char warn[] = "Don't know the uppercase equivalent of non ascii characters;"
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"comparison might yield wrong results";
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while(*s1 && *s2)
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{
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if((*s1 & 0xffff) > 0x7f || (*s2 & 0xffff) > 0x7f)
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{
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if(!once)
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{
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once++;
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mcy_warning(warn);
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}
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i = *s1++ - *s2++;
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}
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else
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i = toupper(*s1++) - toupper(*s2++);
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if(i)
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return i;
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}
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if((*s1 & 0xffff) > 0x7f || (*s2 & 0xffff) > 0x7f)
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{
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if(!once)
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mcy_warning(warn);
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return *s1 - *s2;
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}
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else
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return toupper(*s1) - toupper(*s2);
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}
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int unistrcmp(const WCHAR *s1, const WCHAR *s2)
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{
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int i;
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while(*s1 && *s2)
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{
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i = *s1++ - *s2++;
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if(i)
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return i;
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}
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return *s1 - *s2;
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}
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/*******************************************************************
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* buffer management
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*
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* Function for writing to a memory buffer.
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*/
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int byte_swapped = 0;
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unsigned char *output_buffer;
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size_t output_buffer_pos;
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size_t output_buffer_size;
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static void check_output_buffer_space( size_t size )
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{
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if (output_buffer_pos + size >= output_buffer_size)
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{
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output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
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output_buffer = xrealloc( output_buffer, output_buffer_size );
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}
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}
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void init_output_buffer(void)
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{
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output_buffer_size = 1024;
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output_buffer_pos = 0;
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output_buffer = xmalloc( output_buffer_size );
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}
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void flush_output_buffer( const char *name )
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{
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int fd = open( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666 );
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if (fd == -1) error( "Error creating %s\n", name );
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if (write( fd, output_buffer, output_buffer_pos ) != output_buffer_pos)
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error( "Error writing to %s\n", name );
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close( fd );
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free( output_buffer );
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}
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void put_data( const void *data, size_t size )
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{
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check_output_buffer_space( size );
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memcpy( output_buffer + output_buffer_pos, data, size );
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output_buffer_pos += size;
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}
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void put_byte( unsigned char val )
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{
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check_output_buffer_space( 1 );
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output_buffer[output_buffer_pos++] = val;
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}
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void put_word( unsigned short val )
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{
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if (byte_swapped) val = (val << 8) | (val >> 8);
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put_data( &val, sizeof(val) );
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}
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void put_dword( unsigned int val )
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{
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if (byte_swapped)
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val = ((val << 24) | ((val << 8) & 0x00ff0000) | ((val >> 8) & 0x0000ff00) | (val >> 24));
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put_data( &val, sizeof(val) );
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}
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void align_output( unsigned int align )
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{
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size_t size = align - (output_buffer_pos % align);
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if (size == align) return;
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check_output_buffer_space( size );
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memset( output_buffer + output_buffer_pos, 0, size );
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output_buffer_pos += size;
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}
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