misc

MoreAboutC

Notes for C 语言编程透视

Format your C code

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$ indent -kr file.c # format C source code according to K&R format
$ man indent # more style

Before

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#include <stdio.h>
#include <dirent.h>
int main(){
    FILE * fp = fopen("/root/.cache/test/mountpoint/file1","r");
    char line [1000];
    while( fgets(line, 1000, fp) ){ puts(line); }

    DIR * dp = opendir("/root/.cache/test/mountpoint/mydir");
    struct dirent * entry ;
    while( (entry = readdir(dp)) != NULL ){ puts(entry->d_name); }

}

After

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#include <stdio.h>
#include <dirent.h>
int main()
{
    FILE *fp = fopen("/root/.cache/test/mountpoint/file1", "r");
    char line[1000];
    while (fgets(line, 1000, fp)) {
	puts(line);
    }

    DIR *dp = opendir("/root/.cache/test/mountpoint/mydir");
    struct dirent *entry;
    while ((entry = readdir(dp)) != NULL) {
	puts(entry->d_name);
    }

}