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serial_read2.c
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serial_read2.c
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//檔案處理
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <pthread.h>
struct f_ile
{
char sch_id[4];
char sta_no[3];
char addr[5];
char t_start[20];
char t_stop[20];
char period[2];
};
void* sch_rule(void *a);
int main(int argc, char *argv[])
{
if(argc != 2){
printf("INsufficient argument");
return -1;
}
//檔案處理
int fileLength = 0;
FILE *fptr;
int i = 0;
char *test;
if(!(fptr = fopen(argv[1], "r")))
return -1;
//移動指標到檔案的結尾
if(fseek(fptr, 0, SEEK_END))
return -1;
//取得檔案的大小
fileLength = ftell(fptr);
//移動指標到檔案的起始
rewind(fptr);
char s[fileLength];
int num=0;
while(fgets(s, fileLength, fptr) != NULL)
{
num++;
}
rewind(fptr);
struct f_ile sch[num-1];
int k=0;
while(fgets(s, fileLength, fptr) != NULL)
{
if(i == 0){
for(int j=0; j< num; j++){
strcpy(sch[j].sch_id, s);
//printf("%s\n",sch[i].sch_id);
}
}
else{
test = strtok(s, " ");
for(int j=0; test != NULL; j++)
{
if(j == 0)strcpy(sch[k].sta_no,test);
if(j == 1)strcpy(sch[k].addr, test);
if(j == 2)strcpy(sch[k].t_start, test);
if(j == 3){
strncat(sch[k].t_start," ", 1);
strncat(sch[k].t_start,test,strlen(test));
}
if(j == 4)strcpy(sch[k].t_stop, test);
if(j == 5){
strncat(sch[k].t_stop, " ", 1);
strncat(sch[k].t_stop, test,strlen(test));
}
if(j == 6)strcpy(sch[k].period, test);
//printf("%s\n", test);
test = strtok(NULL, " ");
}
k++;
}
i++;
}
// for(int k=0;k<=num-2;k++)
// printf("%s %s %s %s %s %s\n",sch[k].sch_id,sch[k].sta_no, sch[k].addr,sch[k].t_start,sch[k].t_stop,sch[k].period);
pthread_t threads[num-1];
for(int k=0;k<=num-2;k++)
{
pthread_create(&threads[k], NULL, sch_rule, (void *)&sch[k]);
}
void *result;
for(int k=0;k<=num-2;k++)
pthread_join(threads[k], &result);
return 0;
}
pthread_mutex_t beers_lock = PTHREAD_MUTEX_INITIALIZER;
void* sch_rule(void* parm)
{
//pthread_mutex_lock(&beers_lock);
struct f_ile* temp = (struct f_ile*)parm;
printf("%s %s %s %s %s %s\n",(*temp).sch_id,temp->sta_no, temp->addr,temp->t_start,temp->t_stop,temp->period);
//pthread_mutex_unlock(&beers_lock);
return NULL;
}