post-guard/auto_bus
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修复了PrintState函数返回栈地址的问题

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This commit is contained in:
jackfiled 2022-05-20 19:31:12 +08:00
parent 415d871524
commit a9200ede29
3 changed files with 64 additions and 71 deletions
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2
include/bus_io.h
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@ -29,6 +29,6 @@ int ReadInput(char* inputString);
* @param rails 轨道链表
* @return 返回需输出的字符串
*/
char* PrintState();
void PrintState(char *str);
#endif //AUTO_PILOT_BUS_BUS_IO_H

13
main.c
View File

@ -14,7 +14,7 @@ int main()
/**
* 输出的字符串
*/
char *output;
char output[150];
/**
* the_bus指针的本体
*/
@ -39,7 +39,7 @@ int main()
// 开始时公交车应该是停下的
direction = BUS_STOP;
output = PrintState();
PrintState(output);
printf("%s", output);
@ -87,7 +87,8 @@ int main()
default:
break;
}
output = PrintState();
PrintState(output);
printf("%s", output);
}
else if(result == IO_END)
{
@ -96,13 +97,7 @@ int main()
}
else
{
output = NULL;
//在读取到创建请求的情况下，不做任何事
}
if(output != NULL)
{
printf("%s", output);
}
}
}

120
src/bus_io.c
View File

@ -3,32 +3,32 @@
//
#include "bus_io.h"
int ReadInput(char* inputString)
int ReadInput(char *inputString)
{
char src[20];
int num;
sscanf_s(inputString,"%[a-z] %d",src,&num);
if (0 == strcmp("clock",src))
sscanf_s(inputString, "%[a-z] %d", src, &num);
if (0 == strcmp("clock", src))
{
return IO_CLOCK;
}
else if (0 == strcmp("counterclockwise",src))
else if (0 == strcmp("counterclockwise", src))
{
CreateQuery(BUS_COUNTER_CLOCK_WISE, FindNode(rails ,num));
CreateQuery(BUS_COUNTER_CLOCK_WISE, FindNode(rails, num));
return IO_READING;
}
else if (0 == strcmp("clockwise",src))
else if (0 == strcmp("clockwise", src))
{
CreateQuery(BUS_CLOCK_WISE,FindNode(rails, num));
CreateQuery(BUS_CLOCK_WISE, FindNode(rails, num));
return IO_READING;
}
else if (0 == strcmp("target",src))
else if (0 == strcmp("target", src))
{
CreateQuery(BUS_TARGET,FindNode(rails, num));
CreateQuery(BUS_TARGET, FindNode(rails, num));
return IO_READING;
}
else if (0 == strcmp("end",src))
else if (0 == strcmp("end", src))
{
return IO_END;
}
@ -49,7 +49,7 @@ rail_node_t *ReadConfigFile()
config_file = fopen("dict.dic", "r");
// 循环读取文件的每一行
while(fgets(buffer, sizeof buffer, config_file) != NULL)
while (fgets(buffer, sizeof buffer, config_file) != NULL)
{
char first_char = buffer[0];
char *p;
@ -69,11 +69,11 @@ rail_node_t *ReadConfigFile()
p++;
}
if(*p == '1' && *(p + 1) != '\n')
if (*p == '1' && *(p + 1) != '\n')
{
total_station = 10;
}
else if(*(p + 1) == '\n')
else if (*(p + 1) == '\n')
{
total_station = *p - 48;
}
@ -83,27 +83,27 @@ rail_node_t *ReadConfigFile()
// STRATEGY
p = buffer;
// 将=前的字符全部略去
while(*p != '=')
while (*p != '=')
{
p++;
}
// =也去掉
p++;
// =和策略之间的空格也去掉
while(*p == ' ')
while (*p == ' ')
{
p++;
}
if(*p == 'F' && *(p + 1) == 'C') //FCFS
if (*p == 'F' && *(p + 1) == 'C') //FCFS
{
chosen_strategy = BUS_FCFS;
}
else if(*p == 'S' && *(p + 1) == 'S') //SSTF
else if (*p == 'S' && *(p + 1) == 'S') //SSTF
{
chosen_strategy = BUS_SSTF;
}
else if(*p == 'S' && *(p + 1) == 'C') //SCAN
else if (*p == 'S' && *(p + 1) == 'C') //SCAN
{
chosen_strategy = BUS_SCAN;
}
@ -124,7 +124,7 @@ rail_node_t *ReadConfigFile()
p++;
}
if(*(p + 1) == '\n')
if (*(p + 1) == '\n')
{
distance = *p - 48;
}
@ -136,7 +136,7 @@ rail_node_t *ReadConfigFile()
}
if(distance != 0 && total_station != 0)
if (distance != 0 && total_station != 0)
{
return CreateRails(distance, total_station);
}
@ -146,58 +146,56 @@ rail_node_t *ReadConfigFile()
}
}
char* PrintState()
void PrintState(char *str)
{
memset(str, 0, 150);
int count;
rail_node_t *p=NULL;
char target[20],clockwise[20],counterclockwise[20];
for(count=0,p=rails;p!=NULL;p=p->next_node,count++)
rail_node_t *p = NULL;
char target[20], clockwise[20], counterclockwise[20];
for (count = 0, p = rails; p != NULL; p = p->next_node, count++)
{
target[count]='0';
clockwise[count]='0';
counterclockwise[count]='0';
target[count] = '0';
clockwise[count] = '0';
counterclockwise[count] = '0';
} //遍历轨道链表，将所有站点初始化为0，即：无任何请求；
bus_query_t *t=NULL;
bus_query_t *t = NULL;
int i;
for(t=queries;t!=NULL;t=t->next_node)
{
i=t->node->id-1;
if(t->type==0)
for (t = queries; t != NULL; t = t->next_node)
{
i = t->node->id - 1;
if (t->type == 0)
{
clockwise[i]='1';
clockwise[i] = '1';
}
else if(t->time==1)
else if (t->time == 1)
{
counterclockwise[i]='1';
counterclockwise[i] = '1';
}
else if(t->type==2)
else if (t->type == 2)
{
target[i]='1';
target[i] = '1';
}
} //遍历请求链表，将有请求的站点按照不同类型标记为1
char line1[100],line2[10],line3[10],line4[100],line5[10],line6[100],line7[100];
sprintf(line1,"TIME:%d\n",bus_time);
sprintf(line2,"BUS:\n");
sprintf(line3,"position:%d\n",GetBusPosition());
sprintf(line4,"target:%s\n",target);
sprintf(line5,"STATION:\n");
sprintf(line6,"clockwise:%s\n",clockwise);
sprintf(line7,"counterclockwise:%s\n",counterclockwise); //分别得到每一行的字符串
strcat(line1,line2);
strcat(line1,line3);
strcat(line1,line4);
strcat(line1,line5);
strcat(line1,line6);
strcat(line1,line7); //将7行字符串合并在一起
return line1; //返回合并后的字符串
char line1[100], line2[10], line3[15], line4[100], line5[10], line6[100], line7[100];
sprintf(line1, "TIME:%d\n", bus_time);
sprintf(line2, "BUS:\n");
sprintf(line3, "position:%d\n", GetBusPosition());
sprintf(line4, "target:%s\n", target);
sprintf(line5, "STATION:\n");
sprintf(line6, "clockwise:%s\n", clockwise);
sprintf(line7, "counterclockwise:%s\n", counterclockwise); //分别得到每一行的字符串
strcat(line1, line2);
strcat(line1, line3);
strcat(line1, line4);
strcat(line1, line5);
strcat(line1, line6);
strcat(line1, line7);//将7行字符串合并在一起
strcat(str, line1);
}