标签：
程序代码：
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define _STDC_WANT_LIB_EXT1_ 1
#define buffer_len 10
#define buffer_len_inc 5
#define string_cont 5
#define string_cont_inc 2
int main(void)
{
int test_int = 0;
int buf_len = buffer_len;
char* p_start =NULL;
char* p_buf_temp = NULL;
int current_buf_len = 0;
char* p_buffer = NULL;
char** str_dre_dre = NULL;
char** str_dre_temp = NULL;
char** str_start = NULL;
int count = 0;
int str_cont = string_cont;
printf("input something you want : \n");
//memory initialization
str_dre_dre = (char**)malloc(str_cont * sizeof(char*));
if(str_dre_dre == NULL)
{
printf("malloc() function error!!!\n");
exit(1);
}
str_start = str_dre_dre;
p_buffer = (char*)malloc(buf_len * sizeof(char));
if(p_buffer == NULL)
{
printf("malloc() function error!!!\n");
exit(1);
}
p_start = p_buffer;
//memory initialization end
do
{
p_buffer = p_start;
fflush(stdin);
do
{
*p_buffer = getchar();
p_buffer++;
if((p_buffer - p_start) == buf_len)
{
buf_len += buffer_len_inc;
p_buf_temp = (char*)realloc(p_start, buf_len * sizeof(char));
if(p_buf_temp == NULL)
{
printf("realloc() function error!!!\n");
exit(1);
}
p_buffer = p_buf_temp + (p_buffer - p_start);
p_start = p_buf_temp;
p_buf_temp = NULL;
}
}
while(*(p_buffer - 1) != ‘\n‘);
if(*(p_start) == ‘\n‘ )
{// if don‘t input anything
printf("you don‘t input anything!!!\n");
break;
}
*(p_buffer - 1) = ‘\0‘;
current_buf_len = strlen(p_start);
*(str_dre_dre + count) = (char*)malloc(current_buf_len);
if(*(str_dre_dre + count) == NULL)
{
printf("malloc() function error!!!\n");
exit(1);
}
test_int = strcpy_s(*(str_dre_dre + count), current_buf_len + 1, p_start);
if(test_int != 0)
{
printf("strcpy_s() function error!!!\n");
exit(1);
}
if(count == str_cont - 1)
{
str_cont += string_cont_inc;
str_dre_temp = (char**)realloc(str_start, str_cont * sizeof(char*));
if(str_dre_temp == NULL)
{
printf("realloc() function error!!!\n");
exit(1);
}
str_dre_dre = str_dre_temp;
str_start = str_dre_temp;
str_dre_temp = NULL;
}
count++;
printf("you are already input %d string%s.\n",count, (count == 1) ? "" : "s");
printf("continue?(Y/N)");
fflush(stdin);
}
while(tolower((char)getchar()) == ‘y‘);
printf("ouput strings: \n");
for(int i = 0; i < count; ++i)
{
printf("%s\n", *(str_start + i));
free(*(str_start + i));
*(str_start + i) = NULL;
}
free(p_buffer);
free(str_dre_dre);
p_buffer = p_start = NULL;
str_start = str_dre_dre = NULL;
return 0;
}
我写了一个可以输入任意个字符串，同时字符串长度不收限制的小程序。代码能工作，稳定。但是感觉看起来惨不忍睹，逻辑混乱，思路不清晰，感觉像一坨屎，怎么把代码写的优美一点。希望高手支招，或者介绍书籍也可以。
http://blog.tianya.cn/post-5285480-82795215-1.shtml
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如何把代码写的清晰，易理解。求高手分享写代码经验。
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原文地址：http://www.cnblogs.com/gsdfg54564/p/4390365.html
