mime_type.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2012 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
// for fopen
#include <stdio.h>
#include "trbase.h"
#include "trdata.h"
TR_Hash mime_types = NULL;
void
readMimeTypes(void)
{
if (0 == access(CONFIGDIR "/mime.types", O_RDONLY)) {
FILE * handle = fopen(CONFIGDIR "/mime.types", "r");
if (NULL != handle) {
char buffer[512];
buffer[511] = '\0';
mime_types = TR_new(TR_Hash);
while (NULL != fgets(buffer, 511, handle)) {
char * tmp;
char * key = buffer;
char * value;
size_t nkey;
size_t nvalue;
tmp = memchr(key, ' ', 512);
if (NULL != tmp) {
*tmp = '\0';
}
nkey = tmp - buffer;
value = tmp + 1;
for (; *value == ' ' && value < buffer+511; value++);
nvalue = strlen(value);
if ('\n' == value[nvalue-1]) {
nvalue--;
value[nvalue] = '\0';
}
TR_hashAdd(mime_types,
TR_new(TR_HashValue, key, nkey, value, nvalue));
}
fclose(handle);
}
}
}
char *
getMimeType(const char * ext, size_t len)
{
TR_HashValue type;
if (NULL == mime_types) {
readMimeTypes();
if (NULL == mime_types) {
return NULL;
}
}
type = TR_hashGet(mime_types, ext, len);
if (NULL == type) {
return NULL;
}
return (char *)type->value;
}
void
clearMimeTypes(void)
{
TR_delete(mime_types);
}
// vim: set ts=4 sw=4: