65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#define VIDPID_PATH "/usr/local/bin/mtpd.sh"
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/*
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* FunctionName: main
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* Description:
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*/
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int main01(int argc, char *argv[])
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{
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int ret = 0;
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printf("argc = %d \n", argc);
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if (argc != 3)
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{
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return -1;
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}
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unsigned int i_vid = atoi(argv[1]);
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unsigned int i_pid = atoi(argv[2]);
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printf("arg0 = %d arg1=%d \n", i_vid, i_pid);
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char buf_vid[5] ={0};
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char buf_pid[5] ={0};
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buf_vid[4]='\0';
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buf_pid[4]='\0';
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sprintf(buf_vid,"%04x",i_vid);
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sprintf(buf_pid,"%04x",i_pid);
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printf("buf_vid = %s buf_pid=%s \n", buf_vid, buf_pid);
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if (i_pid > 0 && i_vid > 0)
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{
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FILE *fd;
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fd = fopen(VIDPID_PATH, "rb+");
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if (!fd) {
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printf( "error open /usr/local/bin/mtp.sh...\n");
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return -1;
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}
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else {
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printf( "open %s scuess.fd = %d\n", VIDPID_PATH,fd);
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}
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/*set vid*/
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fseek(fd , 0x18e , SEEK_SET);
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ret = fwrite(buf_vid, 1, 4, fd);
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/*set pid*/
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fseek(fd , 0x1c8 , SEEK_SET);
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ret = fwrite(buf_pid, 1, 4, fd);
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fclose(fd);
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return 0;
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}
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return -1;
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} /* ---------- end of function main ---------- */
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