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#define _XOPEN_SOURCE 700
#include <search.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "blog.h"
#define HSIZE 4 /* username, password, title, body */
static void add_data(char *buf)
{
char *value = strchr(buf, '=');
*value = '\0';
value++;
char *key = strdup(buf);
char *data = strdup(value);
ENTRY e = {
.key = key,
.data = data
};
hsearch(e, ENTER);
}
void read_post_data(void)
{
char *content_length = getenv("CONTENT_LENGTH");
if (!content_length) {
return;
}
int cl = atoi(content_length);
if (!cl) {
return;
}
if (!hcreate(HSIZE)) {
return;
}
char *buf = malloc(cl + 1);
if (!buf) {
return;
}
int pos = 0;
int c;
buf[0] = '\0';
while (pos < cl && (c = getchar()) != EOF) {
if (c == '&') {
add_data(buf);
pos = 0;
} else if (c == '+') {
buf[pos] = ' ';
buf[++pos] = '\0';
} else if (c == '%') {
char hex[3] = { 0, 0, 0 };
hex[0] = getchar();
hex[1] = getchar();
buf[pos] = strtol(hex, NULL, 16);
buf[++pos] = '\0';
} else {
buf[pos] = c;
buf[++pos] = '\0';
}
}
if (pos != 0) {
add_data(buf);
}
free(buf);
}
char *find_post_data(char *key)
{
ENTRY e = {
.key = key
};
ENTRY *p = hsearch(e, FIND);
if (p && p->data) {
return p->data;
}
return NULL;
}
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