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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <zip.h>
#include "main.h"
#include "archive.h"
#define ARCHIVE_BUFFER_SIZE 4096
#define STR_TMP_FILE_NAME 4096
char *archive_extract_file(char *archive, char *filename)
{
char name[STR_TMP_FILE_NAME];
char buf[ARCHIVE_BUFFER_SIZE];
struct zip *zipArchive;
struct zip_file *zipFile;
FILE *file;
int len;
int err;
sprintf(name, "/tmp/tuxanci.%d-%s", getpid(), filename);
/*printf("ARCHIVE %s %s %s\n", archive, filename, name);*/
zipArchive = zip_open(archive, 0, &err);
if (zipArchive == NULL) {
error("Unable to open archive [%s]", archive);
return NULL;
}
zipFile = zip_fopen(zipArchive, filename, ZIP_FL_UNCHANGED);
if (zipFile == NULL) {
error("Unable to extract the file [%s] from archive [%s]", filename, archive);
zip_close(zipArchive);
return NULL;
}
if ((file = fopen(name, "wb")) == NULL) {
error("Unable to create temporary file [%s]", name);
zip_fclose(zipFile);
zip_close(zipArchive);
return NULL;
}
do {
len = zip_fread(zipFile, buf, ARCHIVE_BUFFER_SIZE);
/*printf("len = %d\n", len);*/
if (len > 0) {
fwrite(buf, len, 1, file);
}
} while (len > 0);
fclose(file);
zip_fclose(zipFile);
zip_close(zipArchive);
return strdup(name);
}
void archive_delete_file(char *s)
{
unlink(s);
free(s);
}
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