/* the Music Player Daemon (MPD) * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) * This project's homepage is: http://www.musicpd.org * * This program 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. * * This program 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 "buffer2array.h" #include "os_compat.h" static inline int isWhiteSpace(char c) { return (c == ' ' || c == '\t'); } int buffer2array(char *buffer, char *array[], const int max) { int i = 0; char *c = buffer; while (*c != '\0' && i < max) { if (*c == '\"') { array[i++] = ++c; while (*c != '\0') { if (*c == '\"') { *(c++) = '\0'; break; } else if (*(c++) == '\\' && *c != '\0') { memmove(c - 1, c, strlen(c) + 1); } } } else { while (isWhiteSpace(*c)) ++c; array[i++] = c++; if (*c == '\0') return i; while (!isWhiteSpace(*c) && *c != '\0') ++c; } if (*c == '\0') return i; *(c++) = '\0'; while (isWhiteSpace(*c)) ++c; } return i; } #ifdef UNIT_TEST #include <stdio.h> #include <string.h> #include <assert.h> int main() { char *a[4] = { NULL }; char *b; int max; b = strdup("lsinfo \"/some/dir/name \\\"test\\\"\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("/some/dir/name \"test\"", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"/some/dir/name \\\"test\\\" something else\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("/some/dir/name \"test\" something else", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"/some/dir\\\\name\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("/some/dir\\name", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"/some/dir name\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("/some/dir name", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"\\\"/some/dir\\\"\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("\"/some/dir\"", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"\\\"/some/dir\\\" x\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("\"/some/dir\" x", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"single quote\\'d from php magicquotes\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("single quote\'d from php magicquotes", a[1]) ); assert( !a[2] ); b = strdup("lsinfo \"double quote\\\"d from php magicquotes\""); assert(b); max = buffer2array(b, a, 4); assert( !strcmp("lsinfo", a[0]) ); assert( !strcmp("double quote\"d from php magicquotes", a[1]) ); assert( !a[2] ); return 0; } #endif