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356 lines
8.0 KiB
C
356 lines
8.0 KiB
C
#include "file.h"
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#include <dirent.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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//读取文件到内存 用完需释放
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int ReadTxtFile(const char *pFileName, char **pMessage)
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{
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FILE *stream = fopen(pFileName, "r");
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if (stream == NULL)
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{
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//LOG("ReadFile %s err!!!",pFileName);
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return -1;
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}
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fseek(stream, 0L, SEEK_END);
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int iLen = ftell(stream);
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fseek(stream, 0L, SEEK_SET);
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char *pFileBuff = (char *)calloc(1,iLen + 1);
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fread(pFileBuff, iLen, 1, stream);
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fclose(stream);
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*pMessage = pFileBuff;
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return iLen;
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}
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//写入内存到文件
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int WriteTxtFile(const char *pFileName, char **pMessage)
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{
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if (pMessage == NULL || *pMessage == NULL)
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{
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printf("WriteFile %s pMessage err!!!",pFileName);
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return -1;
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}
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FILE *stream = fopen(pFileName, "w");
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if (stream == NULL)
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{
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printf("WriteFile %s err!!!",pFileName);
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return -2;
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}
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int iLen = fwrite(*pMessage, 1, strlen(*pMessage), stream);
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fflush(stream);
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fclose(stream);
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return iLen;
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}
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cJSON *readJsonFromFile(char *fileName)
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{
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if (!fileName)
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{
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return NULL;
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}
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char * pConfig = NULL;
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cJSON *pCfgJsRoot = NULL;
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ReadTxtFile(fileName,&pConfig);
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if (!pConfig)
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{
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return NULL;
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}
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pCfgJsRoot = cJSON_Parse(pConfig);
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if(pConfig)
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free(pConfig);
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return pCfgJsRoot;
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}
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int saveJsonToFile(char *fileName,cJSON *pjRoot)
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{
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int len = 0;
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if (fileName == NULL || pjRoot == NULL)
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{
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printf("input parameters error...\n");
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return 0;
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}
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char *msg = cJSON_Print(pjRoot);
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if (msg )
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{
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len = WriteTxtFile(fileName,&msg);
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free(msg);
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msg = NULL;
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}
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return len;
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}
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int WriteHexFile(const char *pFileName, unsigned char *pData, int len)
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{
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unsigned int ret = 0;
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if (pFileName == NULL || pData == NULL || len < 1)
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{
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//LOG("WriteHexFile %s pMessage err!!!",pFileName);
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return -1;
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}
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FILE *stream = fopen(pFileName, "wb");
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if (stream == NULL)
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{
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//LOG("WriteHexFile %s err!!!",pFileName);
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return -2;
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}
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ret = fwrite(pData, sizeof(char), len, stream);
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fflush(stream);
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fclose(stream);
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return ret;
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}
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int ReadHexFile(const char *pFileName, unsigned char **pData)
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{
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FILE *stream = fopen(pFileName, "rb");
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if (stream == NULL)
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{
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printf("ReadFile %s err!!!",pFileName);
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return -1;
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}
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fseek(stream, 0L, SEEK_END);
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int iLen = ftell(stream);
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fseek(stream, 0L, SEEK_SET);
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unsigned char *pFileBuff = (unsigned char *)calloc(1,iLen);
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fread(pFileBuff, sizeof(char), iLen, stream);
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fclose(stream);
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*pData = pFileBuff;
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return iLen;
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}
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int ReadHexFileAddLen(const char *pFileName, unsigned char **pData)
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{
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FILE *stream = fopen(pFileName, "rb");
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if (stream == NULL)
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{
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//LOG("ReadFile %s err!!!",pFileName);
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return -1;
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}
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fseek(stream, 0L, SEEK_END);
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int iLen = ftell(stream);
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fseek(stream, 0L, SEEK_SET);
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unsigned char *pFileBuff = (unsigned char *)calloc(1,iLen+4);
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unsigned int *len = (unsigned int *)pFileBuff;
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*len = iLen;
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fread(pFileBuff+4, 1, iLen, stream);
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fclose(stream);
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*pData = pFileBuff;
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return iLen;
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}
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//创建多级目录
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int createMultiLevelDir(char* sPathName)
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{
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char DirName[256];
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int i, len;
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strcpy(DirName, sPathName);
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len = strlen(DirName);
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if('/' != DirName[len-1]) {
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strcat(DirName, "/");
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len++;
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}
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for(i=1; i<len; i++)
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{
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if('/' == DirName[i])
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{
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DirName[i] = '\0';
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if(access(DirName, F_OK) != 0)
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{
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if(mkdir(DirName, 0777) == -1)
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{
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perror("mkdir() failed!");
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return 0;
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}
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}
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DirName[i] = '/';
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}
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}
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return 1;
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}
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int int2Byte(int val,unsigned char *bytes)
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{
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bytes[0] = (unsigned char) (0x000000ff & val);
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bytes[1] = (unsigned char) ((0x0000ff00 & val) >> 8);
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bytes[2] = (unsigned char) ((0x00ff0000 & val) >> 16);
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bytes[3] = (unsigned char) ((0xff000000 & val) >> 24);
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return 1;
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}
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//转换成Comtrad 格式文件 文件名 通道数量 1 or 4
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int toComtradeFile(char* sFileName,char* destFileName,int ch,int headLen)
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{
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unsigned char *pAreaS = NULL;
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unsigned char *pArea = NULL;
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int fileLen = ReadHexFile(sFileName, &pAreaS);
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if(fileLen<0)
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return 0;
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if(headLen > 0)
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{
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pArea = pAreaS + headLen;
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fileLen -= headLen;
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}
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else pArea = pAreaS;
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if(fileLen%ch!=0)
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return 0;
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int chLen = fileLen/ch/2;
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int i = 0;
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unsigned char tempBuf[4] = {0};
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FILE *stream = fopen(destFileName, "wb");
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if (stream == NULL)
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return 0;
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for(i = 0;i < chLen;i ++)
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{
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int2Byte(i,tempBuf);
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fwrite(tempBuf, 4, 1, stream);
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int2Byte(i*1000,tempBuf);
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fwrite(tempBuf, 4, 1, stream);
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if(ch == 1)
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{
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fwrite(pArea + i*2, 2, 1, stream);
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}
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else if(ch == 4)
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{
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fwrite(pArea + i*8, 8, 1, stream);
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}
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else if(ch == 8)
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{
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fwrite(pArea + i*16, 16, 1, stream);
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}
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}
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fflush(stream);
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fclose(stream);
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free(pAreaS);
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return 1;
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}
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#if 0
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//转换成CSV 格式文件 文件名 通道数量1 or 4
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int toCsvFile(char* sFileName,char* destFileName,int ch,int headLen)
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{
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unsigned char *pAreaS = NULL;
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unsigned char *pArea = NULL;
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int fileLen = ReadHexFile(sFileName, &pAreaS);
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if(headLen > 0)
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{
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pArea = pAreaS + headLen;
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fileLen -= headLen;
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}
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else pArea = pAreaS;
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if(fileLen<0)
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return 0;
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if(fileLen%ch!=0)
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return 0;
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int chLen = fileLen/ch/2;
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int i = 0;
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unsigned char tempBuf[4] = {0};
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FILE *stream = fopen(destFileName, "w");
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if (stream == NULL)
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return 0;
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char buf[256] = {0};
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for(i = 0;i < chLen;i ++)
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{
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if(ch == 4)
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{
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I16X4_t *pVal = pArea + 8*i;
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sprintf(buf,"%d,%d,%d,%d\n",pVal->val1,pVal->val2,pVal->val3,pVal->val4);
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fwrite(buf,strlen(buf),1,stream);
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}
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else if(ch == 8)
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{
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I16X8_t *pVal = pArea + 16*i;
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sprintf(buf,"%d,%d,%d,%d,%d,%d,%d,%d\n",pVal->val[0],pVal->val[1],pVal->val[2],pVal->val[3],
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pVal->val[4],pVal->val[5],pVal->val[6],pVal->val[7]);
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fwrite(buf,strlen(buf),1,stream);
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}
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else if(ch == 1)
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{
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unsigned char *p = pArea + chLen*0 + 2*i;
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short v1 = (*p)&0xff | (((*(p+1))&0xff)<<8);
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sprintf(buf,"%d\n",v1);
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fwrite(buf,strlen(buf),1,stream);
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}
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}
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fclose(stream);
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free(pAreaS);
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return 1;
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}
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#endif
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long tell(const char* pFileName)
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{
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long fileSize = -1;
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do
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{
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FILE* fp;
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fp = fopen(pFileName, "rb");
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if (fp == NULL)
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break;
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fseek(fp, 0L, SEEK_END);
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fileSize = ftell(fp);
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fclose(fp);
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}while (0);
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return fileSize;
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}
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int findWaveFile(char *dir,unsigned int fileIndex,char *fileName)
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{
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struct dirent **namelist;
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int index=0;
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int n = scandir(dir,&namelist,0,alphasort);
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char indexBuf[128] = {0};
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sprintf(indexBuf,"%08x_",fileIndex);
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printf("findWaveFile in %s, fileIndex:%x indexBuf:%s",dir,fileIndex,indexBuf);
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while(index < n )//删除1/4
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{
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if (strcmp(namelist[index]->d_name,".") == 0 || strcmp(namelist[index]->d_name,"..") == 0)
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{
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index ++;
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continue;
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}
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if (NULL != strstr(namelist[index]->d_name,indexBuf))
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{
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sprintf(fileName,"%s/%s",dir,namelist[index]->d_name);
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return 1;
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}
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index++;
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}
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//printf("%s 文件数量 %d _index:%d\r\n",dir,n,index);
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return 0;
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}
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