425 lines
9.6 KiB
C
425 lines
9.6 KiB
C
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/*
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* drivers/input/touchscreen/ini.c
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*
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* FocalTech ft5x TouchScreen driver.
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*
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* Copyright (c) 2010 Focal tech Ltd.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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*/
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#include <linux/string.h>
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#include <asm/unistd.h>
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#include <linux/vmalloc.h>
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#include <linux/errno.h>
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#include "ini.h"
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char CFG_SSL = '['; /* <20><><EFBFBD><EFBFBD>־<EFBFBD><D6BE>Section Symbol --<2D>ɸ<EFBFBD><C9B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD> { }<7D><>*/
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char CFG_SSR = ']'; /* <20><><EFBFBD><EFBFBD>־<EFBFBD><D6BE>Section Symbol --<2D>ɸ<EFBFBD><C9B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD> { }<7D><>*/
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char CFG_NIS = ':'; /* name <20><> index ֮<><D6AE><EFBFBD>ķָ<C4B7><D6B8><EFBFBD> */
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char CFG_NTS = '#'; /* ע<>ͷ<EFBFBD>*/
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static char * ini_str_trim_r(char * buf);
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static char * ini_str_trim_l(char * buf);
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static int ini_file_get_line(char *filedata, char *buffer, int maxlen);
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static int ini_split_key_value(char *buf, char **key, char **val);
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static long atol(char *nptr);
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/*************************************************************
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Function: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>key<EFBFBD><EFBFBD>ֵ
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Input: char * filedata<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>char * section<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>char * key<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
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Output: char * value<EFBFBD><EFBFBD>key<EFBFBD><EFBFBD>ֵ
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Return: 0 SUCCESS
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-1 δ<EFBFBD>ҵ<EFBFBD>section
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-2 δ<EFBFBD>ҵ<EFBFBD>key
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-10 <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
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-12 <EFBFBD><EFBFBD>ȡ<EFBFBD>ļ<EFBFBD>ʧ<EFBFBD><EFBFBD>
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-14 <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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-22 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
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Note:
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*************************************************************/
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int ini_get_key(char *filedata, char * section, char * key, char * value)
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{
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char *buf1, *buf2;
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char *key_ptr, *val_ptr;
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int n, ret;
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int dataoff = 0;
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int i = 0;
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buf1 = (char *)vmalloc(MAX_CFG_BUF + 1);
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if (buf1 == NULL)
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return -ENOMEM;
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buf2 = (char *)vmalloc(MAX_CFG_BUF + 1); {
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vfree(buf1);
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return -ENOMEM;
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}
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*value='\0';
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while(i<5) { /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>section */
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ret = CFG_ERR_READ_FILE;
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n = ini_file_get_line(filedata+dataoff, buf1, MAX_CFG_BUF);
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dataoff += n;
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if(n < -1)
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goto r_cfg_end;
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ret = CFG_SECTION_NOT_FOUND;
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if(n < 0)
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goto r_cfg_end; /* <20>ļ<EFBFBD>β<EFBFBD><CEB2>δ<EFBFBD><CEB4><EFBFBD><EFBFBD> */
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n = strlen(ini_str_trim_l(ini_str_trim_r(buf1)));
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if(n == 0 || buf1[0] == CFG_NTS)
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continue; /* <20><><EFBFBD><EFBFBD> <20><> ע<><D7A2><EFBFBD><EFBFBD> */
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ret = CFG_ERR_FILE_FORMAT;
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if(n > 2 && ((buf1[0] == CFG_SSL && buf1[n-1] != CFG_SSR)))
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goto r_cfg_end;
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if(buf1[0] == CFG_SSL) {
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buf1[n-1] = 0x00;
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if(strcmp(buf1+1, section) == 0)
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break; /* <20>ҵ<EFBFBD><D2B5><EFBFBD>section */
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}
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i++;
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}
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i = 0;
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while(1){ /* <20><><EFBFBD><EFBFBD>key */
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ret = CFG_ERR_READ_FILE;
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n = ini_file_get_line(filedata+dataoff, buf1, MAX_CFG_BUF);
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dataoff += n;
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if(n < -1)
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goto r_cfg_end;
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ret = CFG_KEY_NOT_FOUND;
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if(n < 0)
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goto r_cfg_end;/* <20>ļ<EFBFBD>β<EFBFBD><CEB2>δ<EFBFBD><CEB4><EFBFBD><EFBFBD>key */
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n = strlen(ini_str_trim_l(ini_str_trim_r(buf1)));
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if(n == 0 || buf1[0] == CFG_NTS)
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continue; /* <20><><EFBFBD><EFBFBD> <20><> ע<><D7A2><EFBFBD><EFBFBD> */
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ret = CFG_KEY_NOT_FOUND;
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if(buf1[0] == CFG_SSL)
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goto r_cfg_end;
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if(buf1[n-1] == '+') { /* <20><>+<2B>ű<EFBFBD>ʾ<EFBFBD><CABE>һ<EFBFBD>м<EFBFBD><D0BC><EFBFBD> */
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buf1[n-1] = 0x00;
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while(1) {
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ret = CFG_ERR_READ_FILE;
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n = ini_file_get_line(filedata+dataoff, buf2, MAX_CFG_BUF);
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dataoff += n;
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if(n < -1)
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goto r_cfg_end;
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if(n < 0)
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break;/* <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> */
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n = strlen(ini_str_trim_r(buf2));
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ret = CFG_ERR_EXCEED_BUF_SIZE;
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if(n > 0 && buf2[n-1] == '+'){/* <20><>+<2B>ű<EFBFBD>ʾ<EFBFBD><CABE>һ<EFBFBD>м<EFBFBD><D0BC><EFBFBD> */
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buf2[n-1] = 0x00;
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if( (strlen(buf1) + strlen(buf2)) > MAX_CFG_BUF)
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goto r_cfg_end;
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strcat(buf1, buf2);
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continue;
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}
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if(strlen(buf1) + strlen(buf2) > MAX_CFG_BUF)
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goto r_cfg_end;
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strcat(buf1, buf2);
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break;
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}
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}
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ret = CFG_ERR_FILE_FORMAT;
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if(ini_split_key_value(buf1, &key_ptr, &val_ptr) != 1)
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goto r_cfg_end;
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ini_str_trim_l(ini_str_trim_r(key_ptr));
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if(strcmp(key_ptr, key) != 0)
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continue; /* <20><>keyֵ<79><D6B5>ƥ<EFBFBD><C6A5> */
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strcpy(value, val_ptr);
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break;
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}
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ret = CFG_OK;
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r_cfg_end:
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//if(fp != NULL) fclose(fp);
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vfree(buf1);
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vfree(buf2);
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return ret;
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}
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/*************************************************************
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Function: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>section
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Input: char *filename<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>,int max <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɷ<EFBFBD><EFBFBD>ص<EFBFBD>section<EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>
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Output: char *sections[]<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>section<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Return: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>section<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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-10 <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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-12 <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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-14 <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Note:
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*************************************************************/
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int ini_get_sections(char *filedata, unsigned char * sections[], int max)
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{
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//FILE *fp;
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char buf1[MAX_CFG_BUF + 1];
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int n, n_sections = 0, ret;
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int dataoff = 0;
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int i = 0;
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// if((fp = fopen(filename, "rb")) == NULL)
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// return CFG_ERR_OPEN_FILE;
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while(i<5) {/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>section */
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ret = CFG_ERR_READ_FILE;
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n = ini_file_get_line(filedata+dataoff, buf1, MAX_CFG_BUF);
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dataoff += n;
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if(n < -1)
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goto cfg_scts_end;
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if(n < 0)
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break;/* <20>ļ<EFBFBD>β */
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n = strlen(ini_str_trim_l(ini_str_trim_r(buf1)));
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if(n == 0 || buf1[0] == CFG_NTS)
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continue; /* <20><><EFBFBD><EFBFBD> <20><> ע<><D7A2><EFBFBD><EFBFBD> */
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ret = CFG_ERR_FILE_FORMAT;
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if(n > 2 && ((buf1[0] == CFG_SSL && buf1[n-1] != CFG_SSR)))
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goto cfg_scts_end;
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if(buf1[0] == CFG_SSL) {
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if (max!=0){
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buf1[n-1] = 0x00;
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strcpy((char *)sections[n_sections], buf1+1);
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if (n_sections>=max)
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break; /* <20><><EFBFBD><EFBFBD><EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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}
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n_sections++;
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}
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i++;
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}
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ret = n_sections;
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cfg_scts_end:
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// if(fp != NULL)
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// fclose(fp);
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return ret;
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}
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/*************************************************************
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Function: ȥ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ұߵĿ<EFBFBD><EFBFBD>ַ<EFBFBD>
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Input: char * buf <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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Output:
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Return: <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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Note:
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*************************************************************/
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static char * ini_str_trim_r(char * buf)
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{
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int len,i;
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char tmp[128];
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memset(tmp, 0, sizeof(tmp));
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len = strlen(buf);
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// tmp = (char *)malloc(len);
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memset(tmp,0x00,len);
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for(i = 0;i < len;i++) {
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if (buf[i] !=' ')
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break;
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}
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if (i < len) {
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strncpy(tmp,(buf+i),(len-i));
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}
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strncpy(buf,tmp,len);
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// free(tmp);
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return buf;
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}
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/*************************************************************
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Function: ȥ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵĿ<EFBFBD><EFBFBD>ַ<EFBFBD>
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Input: char * buf <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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Output:
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Return: <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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Note:
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*************************************************************/
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static char * ini_str_trim_l(char * buf)
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{
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int len,i;
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char tmp[128];
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memset(tmp, 0, sizeof(tmp));
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len = strlen(buf);
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//tmp = (char *)malloc(len);
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memset(tmp,0x00,len);
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for(i = 0;i < len;i++) {
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if (buf[len-i-1] !=' ')
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break;
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}
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if (i < len) {
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strncpy(tmp,buf,len-i);
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}
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strncpy(buf,tmp,len);
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//free(tmp);
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return buf;
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}
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/*************************************************************
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Function: <EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>ж<EFBFBD>ȡһ<EFBFBD><EFBFBD>
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Input: FILE *fp <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>int maxlen <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Output: char *buffer һ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
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Return: >0 ʵ<EFBFBD>ʶ<EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>
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-1 <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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-2 <EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Note:
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*************************************************************/
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static int ini_file_get_line(char *filedata, char *buffer, int maxlen)
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{
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int i, j;
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char ch1;
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for(i=0, j=0; i<maxlen; j++) {
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|
|
ch1 = filedata[j];
|
|||
|
|
if(ch1 == '\n' || ch1 == 0x00)
|
|||
|
|
break; /* <20><><EFBFBD><EFBFBD> */
|
|||
|
|
if(ch1 == '\f' || ch1 == 0x1A) { /* '\f':<3A><>ҳ<EFBFBD><D2B3>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD> */
|
|||
|
|
buffer[i++] = ch1;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if(ch1 != '\r') buffer[i++] = ch1; /* <20><><EFBFBD>Իس<D4BB><D8B3><EFBFBD> */
|
|||
|
|
}
|
|||
|
|
buffer[i] = '\0';
|
|||
|
|
return i+2;
|
|||
|
|
}
|
|||
|
|
/*************************************************************
|
|||
|
|
Function: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>key<EFBFBD><EFBFBD>value
|
|||
|
|
key=val
|
|||
|
|
jack = liaoyuewang
|
|||
|
|
| | |
|
|||
|
|
k1 k2 i
|
|||
|
|
Input: char *buf
|
|||
|
|
Output: char **key, char **val
|
|||
|
|
Return: 1 --- ok
|
|||
|
|
0 --- blank line
|
|||
|
|
-1 --- no key, "= val"
|
|||
|
|
-2 --- only key, no '='
|
|||
|
|
Note:
|
|||
|
|
*************************************************************/
|
|||
|
|
static int ini_split_key_value(char *buf, char **key, char **val)
|
|||
|
|
{
|
|||
|
|
int i, k1, k2, n;
|
|||
|
|
|
|||
|
|
if((n = strlen((char *)buf)) < 1)
|
|||
|
|
return 0;
|
|||
|
|
for(i = 0; i < n; i++)
|
|||
|
|
if(buf[i] != ' ' && buf[i] != '\t')
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
if(i >= n)
|
|||
|
|
return 0;
|
|||
|
|
|
|||
|
|
if(buf[i] == '=')
|
|||
|
|
return -1;
|
|||
|
|
|
|||
|
|
k1 = i;
|
|||
|
|
for(i++; i < n; i++)
|
|||
|
|
if(buf[i] == '=')
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
if(i >= n)
|
|||
|
|
return -2;
|
|||
|
|
k2 = i;
|
|||
|
|
|
|||
|
|
for(i++; i < n; i++)
|
|||
|
|
if(buf[i] != ' ' && buf[i] != '\t')
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
buf[k2] = '\0';
|
|||
|
|
|
|||
|
|
*key = buf + k1;
|
|||
|
|
*val = buf + i;
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int my_atoi(const char *str)
|
|||
|
|
{
|
|||
|
|
int result = 0;
|
|||
|
|
int signal = 1; /* Ĭ<><C4AC>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD> */
|
|||
|
|
if((*str>='0'&&*str<='9')||*str=='-'||*str=='+') {
|
|||
|
|
if(*str=='-'||*str=='+') {
|
|||
|
|
if(*str=='-')
|
|||
|
|
signal = -1; /*<2A><><EFBFBD>븺<EFBFBD><EBB8BA>*/
|
|||
|
|
str++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
return 0;
|
|||
|
|
/*<2A><>ʼת<CABC><D7AA>*/
|
|||
|
|
while(*str>='0' && *str<='9')
|
|||
|
|
result = result*10 + (*str++ - '0' );
|
|||
|
|
|
|||
|
|
return signal*result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int isspace(int x)
|
|||
|
|
{
|
|||
|
|
if(x==' '||x=='\t'||x=='\n'||x=='\f'||x=='\b'||x=='\r')
|
|||
|
|
return 1;
|
|||
|
|
else
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int isdigit(int x)
|
|||
|
|
{
|
|||
|
|
if(x<='9' && x>='0')
|
|||
|
|
return 1;
|
|||
|
|
else
|
|||
|
|
return 0;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static long atol(char *nptr)
|
|||
|
|
{
|
|||
|
|
int c; /* current char */
|
|||
|
|
long total; /* current total */
|
|||
|
|
int sign; /* if ''-'', then negative, otherwise positive */
|
|||
|
|
/* skip whitespace */
|
|||
|
|
while ( isspace((int)(unsigned char)*nptr) )
|
|||
|
|
++nptr;
|
|||
|
|
c = (int)(unsigned char)*nptr++;
|
|||
|
|
sign = c; /* save sign indication */
|
|||
|
|
if (c == '-' || c == '+')
|
|||
|
|
c = (int)(unsigned char)*nptr++; /* skip sign */
|
|||
|
|
total = 0;
|
|||
|
|
while (isdigit(c)) {
|
|||
|
|
total = 10 * total + (c - '0'); /* accumulate digit */
|
|||
|
|
c = (int)(unsigned char)*nptr++; /* get next char */
|
|||
|
|
}
|
|||
|
|
if (sign == '-')
|
|||
|
|
return -total;
|
|||
|
|
else
|
|||
|
|
return total; /* return result, negated if necessary */
|
|||
|
|
}
|
|||
|
|
/***
|
|||
|
|
*int atoi(char *nptr) - Convert string to long
|
|||
|
|
*
|
|||
|
|
*Purpose:
|
|||
|
|
* Converts ASCII string pointed to by nptr to binary.
|
|||
|
|
* Overflow is not detected. Because of this, we can just use
|
|||
|
|
* atol().
|
|||
|
|
*
|
|||
|
|
*Entry:
|
|||
|
|
* nptr = ptr to string to convert
|
|||
|
|
*
|
|||
|
|
*Exit:
|
|||
|
|
* return int value of the string
|
|||
|
|
*
|
|||
|
|
*Exceptions:
|
|||
|
|
* None - overflow is not detected.
|
|||
|
|
*
|
|||
|
|
*******************************************************************************/
|
|||
|
|
int atoi(char *nptr)
|
|||
|
|
{
|
|||
|
|
return (int)atol(nptr);
|
|||
|
|
}
|
|||
|
|
|