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#define _XOPEN_SOURCE 700
#include <fcntl.h>
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "blog.h"
#include <errno.h>
void add_to_index(const char *path, const char *title)
{
printf("Status: 200 OK\r\n");
printf("Content-Type: text/plain\r\n\r\n");
int blogdir = open(DATA_DIRECTORY, O_DIRECTORY);
if (blogdir == -1) {
printf("open(DATA_DIRECTORY): %s\n", strerror(errno));
return;
}
char *dir = strdup(path);
if (dir == NULL) {
printf("strdup(path): %s\n", strerror(errno));
return;
}
char index_path[FILENAME_MAX] = { 0 };
snprintf(index_path, sizeof(index_path), "%s/index.html", dirname(dir));
/* open index.html */
int index_fd = openat(blogdir, index_path, O_RDWR | O_CREAT, 0644);
if (index_fd == -1) {
printf("open(index_path): %s\n", strerror(errno));
return;
}
/* find the end of text */
off_t eot = 0;
if (eot == 0) {
dprintf(index_fd, HTML_HEAD, "index");
} else {
ftruncate(index_fd, eot);
}
/* add link */
dprintf(index_fd, "<a href=\"/%s\">%s</a><br>", path, title);
/* (re-)add footer */
dprintf(index_fd, HTML_TAIL, current_year());
close(index_fd);
free(dir);
close(blogdir);
}
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