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/*
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* Copyright (C) 2000,2001 Onlyer (onlyer@263.net)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common/setup_before.h"
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#include "setup.h"
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#include <stdio.h>
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#include <ctype.h>
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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# ifdef HAVE_MEMORY_H
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# include <memory.h>
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# endif
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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#else
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# ifdef HAVE_MALLOC_H
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# include <malloc.h>
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# endif
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#endif
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#include "compat/memcpy.h"
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#include "compat/memmove.h"
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#include "compat/strdup.h"
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#include "common/xalloc.h"
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#include "xstring.h"
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#include "common/setup_after.h"
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extern char * strtolower(char * str)
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{
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unsigned int i;
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unsigned char ch;
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if (!str) return NULL;
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for (i=0; (ch=str[i]); i++) {
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if ((isupper(ch))) str[i]=ch+('a'-'A');
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}
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return str;
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}
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extern unsigned char xtoi(unsigned char ch)
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{
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unsigned char retval;
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if (isalpha(ch)) retval=tolower(ch);
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else retval=ch;
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if (retval < 'A') retval -= ('0'-0);
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else retval -= ('a' - 0xa);
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return retval;
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}
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extern char * str_strip_affix(char * str, char const * affix)
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{
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unsigned int i, j, n;
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int match;
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if (!str) return NULL;
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if (!affix) return str;
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for (i=0; str[i]; i++) {
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match=0;
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for (n=0; affix[n]; n++) {
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if (str[i]==affix[n]) {
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match=1;
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break;
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}
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}
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if (!match) break;
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}
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for (j=strlen(str)-1; j>=i; j--) {
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match=0;
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for (n=0; affix[n]; n++) {
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if (str[j]==affix[n]) {
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match=1;
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break;
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}
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}
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if (!match) break;
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}
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if (i>j) {
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str[0]='\0';
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} else {
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memmove(str,str+i,j-i+1);
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str[j-i+1]='\0';
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}
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return str;
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}
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extern char * hexstrdup(unsigned char const * src)
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{
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char * dest;
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int len;
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if (!src) return NULL;
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dest=xstrdup(src);
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len=hexstrtoraw(src,dest,strlen(dest)+1);
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dest[len]='\0';
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return dest;
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}
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extern unsigned int hexstrtoraw(unsigned char const * src, char * data, unsigned int datalen)
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{
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unsigned char ch;
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unsigned int i, j;
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for (i=0, j=0; j<datalen; i++) {
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ch=src[i];
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if (!ch) break;
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if (ch=='\\') {
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i++;
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ch=src[i];
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if (!ch) {
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break;
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} else if (ch=='\\') {
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data[j++]=ch;
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} else if (ch=='x') {
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if (isxdigit(src[i+1])) {
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if (isxdigit(src[i+2])) {
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data[j++]=xtoi(src[i+1]) * 0x10 + xtoi(src[i+2]);
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i+=2;
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} else {
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data[j++]=xtoi(src[i+1]);
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i++;
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}
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} else {
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data[j++]=ch;
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}
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} else if (ch=='n') {
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data[j++]='\n';
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} else if (ch=='r') {
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data[j++]='\r';
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} else if (ch=='a') {
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data[j++]='\a';
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} else if (ch=='t') {
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data[j++]='\t';
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} else if (ch=='b') {
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data[j++]='\b';
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} else if (ch=='f') {
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data[j++]='\f';
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} else if (ch=='v') {
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data[j++]='\v';
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} else {
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data[j++]=ch;
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}
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} else {
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data[j++]=ch;
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continue;
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}
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}
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return j;
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}
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#define SPLIT_STRING_INIT_COUNT 32
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#define SPLIT_STRING_INCREASEMENT 32
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extern char * * strtoargv(char const * str, unsigned int * count)
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{
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unsigned int n, index_size;
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char * temp;
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unsigned int i;
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int j;
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int * pindex;
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void ** ptrindex;
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char * result;
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if (!str || !count) return NULL;
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temp=xmalloc(strlen(str)+1);
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n = SPLIT_STRING_INIT_COUNT;
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pindex=xmalloc(n * sizeof (int));
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i=j=0;
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*count=0;
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while (str[i]) {
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while (str[i]==' ' || str[i]=='\t') i++;
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if (!str[i]) break;
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if (*count >=n ) {
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n += SPLIT_STRING_INCREASEMENT;
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pindex=(int *)xrealloc(pindex,n * sizeof(int));
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}
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pindex[*count]=j;
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(*count)++;
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if (str[i]=='"') {
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i++;
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while (str[i]) {
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if (str[i]=='\\') {
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i++;
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if (!str[i]) break;
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} else if (str[i]=='"') {
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i++;
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break;
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}
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temp[j++]=str[i++];
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}
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} else {
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while (str[i] && str[i] != ' ' && str[i] != '\t') {
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temp[j++]=str[i++];
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}
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}
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temp[j++]='\0';
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}
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index_size= *count * sizeof(char *);
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if (!index_size) {
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xfree(temp);
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xfree(pindex);
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return NULL;
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}
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result=xmalloc(j+index_size);
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memcpy(result+index_size,temp,j);
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ptrindex=xmalloc(*count * sizeof (char*));
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for (i=0; i< *count; i++) {
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ptrindex[i] = result + index_size + pindex[i];
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}
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memcpy(result,ptrindex,index_size);
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xfree(temp);
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xfree(pindex);
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xfree(ptrindex);
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return (char * *)result;
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}
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#define COMBINE_STRING_INIT_LEN 1024
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#define COMBINE_STRING_INCREASEMENT 1024
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extern char * arraytostr(char * * array, char const * delim, int count)
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{
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int i;
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unsigned int n;
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char * result;
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int need_delim;
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if (!delim || !array) return NULL;
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n=COMBINE_STRING_INIT_LEN;
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result=xmalloc(n);
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result[0]='\0';
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need_delim=0;
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for (i=0; i<count; i++) {
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if (!array[i]) continue;
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if (strlen(result)+strlen(array[i])+strlen(delim)>=n) {
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n+=COMBINE_STRING_INCREASEMENT;
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result=xrealloc(result,n);
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}
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if (need_delim) {
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strcat(result,delim);
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}
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strcat(result,array[i]);
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need_delim=1;
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}
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result=xrealloc(result,strlen(result)+1);
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return result;
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}
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