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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <zip.h>
#include "archive.h"
#define ARCHIVE_BUFFER_SIZE 1024
#define STR_TMP_FILE_NAME 4096
char *extractFileFromArchive(char *archive, char *filename)
{
char buf[ARCHIVE_BUFFER_SIZE];
char archive_name[STR_TMP_FILE_NAME];
char name[STR_TMP_FILE_NAME];
ZZIP_FILE *zip_file;
FILE *file;
zzip_ssize_t len;
strcpy(archive_name, archive);
sprintf(strrchr(archive_name, '.'), "/%s", filename);
sprintf(name, "/tmp/tuxanci%d-%s", getpid(), filename);
if ((zip_file = zzip_open(archive_name, O_RDONLY)) == NULL) {
fprintf(stderr, "No do not open %s archive\n", archive_name);
return NULL;
}
if ((file = fopen(name, "wb")) == NULL) {
fprintf(stderr, "No do not create temp file %s\n", name);
return NULL;
}
do {
len = zzip_read(zip_file, buf, ARCHIVE_BUFFER_SIZE);
//printf("len = %d\n", len);
if (len > 0) {
fwrite(buf, len, 1, file);
}
} while (len > 0);
zzip_close(zip_file);
fclose(file);
return strdup(name);
}
void deleteExtractFile(char *s)
{
unlink(s);
free(s);
}
#if ARCHIVE_TEST
int main()
{
char *name;
name = extractFileFromArchive("hello/a/b/hello");
printf("name = %s\n", name);
deleteExtractFile(name);
return 0;
}
#endif
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