util.c

#include <ctype.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "http_parser.h"

void gen_date_header(char* dest)
{
    time_t  now;
    char*   datestr;

    time(&now);
    datestr = ctime(&now);

    sprintf(dest, "Date: %s", datestr);
    /* drop the trailing newline generated by ctime() */
    dest[strlen(dest) - 1] = '\0'; 

    return;
}

#define _FILE_OFFSET_BITS 64

off_t fsize(const char *filename) {
    struct stat st;

    if (stat(filename, &st) == 0)
        return st.st_size;

    return -1;
}

int match_http_method(char  *string)
{
    char normal[16];
    int i;

    for(i=0; string[i] && i < 16; i++)
        normal[i] = toupper(string[i]);
    normal[i] = '\0';

    if(!strcmp(normal, "DELETE"))
        return HTTP_DELETE;
    if(!strcmp(normal, "GET"))
        return HTTP_GET;
    if(!strcmp(normal, "HEAD"))
        return HTTP_HEAD;
    if(!strcmp(normal, "POST"))
        return HTTP_POST;
    if(!strcmp(normal, "PUT"))
        return HTTP_PUT;
    if(!strcmp(normal, "CONNECT"))
        return HTTP_CONNECT;
    if(!strcmp(normal, "OPTIONS"))
        return HTTP_OPTIONS;
    if(!strcmp(normal, "TRACE"))
        return HTTP_TRACE;
    if(!strcmp(normal, "COPY"))
        return HTTP_COPY;
    if(!strcmp(normal, "LOCK"))
        return HTTP_LOCK;
    if(!strcmp(normal, "MKCOL"))
        return HTTP_MKCOL;
    if(!strcmp(normal, "MOVE"))
        return HTTP_MOVE;
    if(!strcmp(normal, "PROPFIND"))
        return HTTP_PROPFIND;
    if(!strcmp(normal, "PROPPATCH"))
        return HTTP_PROPPATCH;
    if(!strcmp(normal, "SEARCH"))
        return HTTP_SEARCH;
    if(!strcmp(normal, "UNLOCK"))
        return HTTP_UNLOCK;
    if(!strcmp(normal, "REPORT"))
        return HTTP_REPORT;
    if(!strcmp(normal, "MKACTIVITY"))
        return HTTP_MKACTIVITY;
    if(!strcmp(normal, "CHECKOUT"))
        return HTTP_CHECKOUT;
    if(!strcmp(normal, "MERGE"))
        return HTTP_MERGE;
    if(!strcmp(normal, "M-SEARCH"))
        return HTTP_MSEARCH;
    if(!strcmp(normal, "NOTIFY"))
        return HTTP_NOTIFY;
    if(!strcmp(normal, "SUBSCRIBE"))
        return HTTP_SUBSCRIBE;
    if(!strcmp(normal, "UNSUBSCRIBE"))
        return HTTP_UNSUBSCRIBE;
    if(!strcmp(normal, "PATCH"))
        return HTTP_PATCH;
    if(!strcmp(normal, "PURGE"))
        return HTTP_PURGE;

    return -1;
}

int chomp(char *str)
{
    if (!str || !*str)
        return 0;

    while(str[1])
        ++str;

    if (*str!='\n')
        return 0;

    *str = '\0';
    return '\n';
}