diff options
Diffstat (limited to 'util/stringhelp.c')
| -rw-r--r-- | util/stringhelp.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/util/stringhelp.c b/util/stringhelp.c deleted file mode 100644 index 32318dad3..000000000 --- a/util/stringhelp.c +++ /dev/null @@ -1,219 +0,0 @@ -/* stringhelp.c - standard string helper functions - * Copyright (C) 1998, 1999 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include <config.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> - -#include "libutil-config.h" -#include "stringhelp.h" - - -/**************** - * look for the substring SUB in buffer and return a pointer to that - * substring in BUF or NULL if not found. - * Comparison is case-insensitive. - */ -const char * -memistr( const char *buf, size_t buflen, const char *sub ) -{ - const byte *t, *s ; - size_t n; - - for( t=buf, n=buflen, s=sub ; n ; t++, n-- ) - if( toupper(*t) == toupper(*s) ) { - for( buf=t++, buflen = n--, s++; - n && toupper(*t) == toupper(*s); t++, s++, n-- ) - ; - if( !*s ) - return buf; - t = buf; n = buflen; s = sub ; - } - - return NULL ; -} - -/**************** - * Wie strncpy(), aber es werden maximal n-1 zeichen kopiert und ein - * '\0' angehängt. Ist n = 0, so geschieht nichts, ist Destination - * gleich NULL, so wird via libutil_malloc Speicher besorgt, ist dann nicht - * genügend Speicher vorhanden, so bricht die funktion ab. - */ -char * -mem2str( char *dest , const void *src , size_t n ) -{ - char *d; - const char *s; - - if( n ) { - if( !dest ) - dest = libutil_xmalloc( n ) ; - d = dest; - s = src ; - for(n--; n && *s; n-- ) - *d++ = *s++; - *d = '\0' ; - } - - return dest ; -} - - -/**************** - * remove leading and trailing white spaces - */ -char * -trim_spaces( char *str ) -{ - char *string, *p, *mark; - - string = str; - /* find first non space character */ - for( p=string; *p && isspace( *(byte*)p ) ; p++ ) - ; - /* move characters */ - for( (mark = NULL); (*string = *p); string++, p++ ) - if( isspace( *(byte*)p ) ) { - if( !mark ) - mark = string ; - } - else - mark = NULL ; - if( mark ) - *mark = '\0' ; /* remove trailing spaces */ - - return str ; -} - -/**************** - * remove trailing white spaces - */ -char * -trim_trailing_spaces( char *string ) -{ - char *p, *mark; - - for( mark = NULL, p = string; *p; p++ ) { - if( isspace( *(byte*)p ) ) { - if( !mark ) - mark = p; - } - else - mark = NULL; - } - if( mark ) - *mark = '\0' ; - - return string ; -} - - - -unsigned -trim_trailing_chars( byte *line, unsigned len, const char *trimchars ) -{ - byte *p, *mark; - unsigned n; - - for(mark=NULL, p=line, n=0; n < len; n++, p++ ) { - if( strchr(trimchars, *p ) ) { - if( !mark ) - mark = p; - } - else - mark = NULL; - } - - if( mark ) { - *mark = 0; - return mark - line; - } - return len; -} - -/**************** - * remove trailing white spaces and return the length of the buffer - */ -unsigned -trim_trailing_ws( byte *line, unsigned len ) -{ - return trim_trailing_chars( line, len, " \t\r\n" ); -} - - - -/********************************************* - ********** missing string functions ********* - *********************************************/ - -#ifndef HAVE_STPCPY -char * -stpcpy(char *a,const char *b) -{ - while( *b ) - *a++ = *b++; - *a = 0; - - return (char*)a; -} -#endif - -#ifndef HAVE_STRLWR -char * -strlwr(char *s) -{ - char *p; - for(p=s; *p; p++ ) - *p = tolower(*p); - return s; -} -#endif - - -#ifndef HAVE_STRCASECMP -int -strcasecmp( const char *a, const char *b ) -{ - for( ; *a && *b; a++, b++ ) { - if( *a != *b && toupper(*a) != toupper(*b) ) - break; - } - return *(const byte*)a - *(const byte*)b; -} -#endif - - -/**************** - * mingw32/cpd has a memicmp() - */ -#ifndef HAVE_MEMICMP -int -memicmp( const char *a, const char *b, size_t n ) -{ - for( ; n; n--, a++, b++ ) - if( *a != *b && toupper(*(const byte*)a) != toupper(*(const byte*)b) ) - return *(const byte *)a - *(const byte*)b; - return 0; -} -#endif - - - |