added forgotten files

--HG--
branch : HEAD

lib/zip_fclose.c

diff --git a/lib/zip_fclose.c b/lib/zip_fclose.c
new file mode 100644
index 0000000..2bddffd
--- /dev/null
+++ b/lib/zip_fclose.c
@@ -0,0 +1,31 @@
+#include "zip.h"
+#include "zipint.h"
+
+
+
+int
+zip_fclose(struct zip_file *zff)
+{
+    int i, ret;
+    
+    if (zff->zstr)
+	inflateEnd(zff->zstr);
+    free(zff->buffer);
+    free(zff->zstr);
+
+    for (i=0; i<zff->zf->nfile; i++) {
+	if (zff->zf->file[i] == zff) {
+	    zff->zf->file[i] = zff->zf->file[zff->zf->nfile-1];
+	    zff->zf->nfile--;
+	    break;
+	}
+    }
+
+    /* EOF is ok */
+    ret = (zff->flags == -1 ? 0 : zff->flags);
+    if (!ret)
+	ret = (zff->crc_orig == zff->crc);
+
+    free(zff);
+    return ret;
+}

lib/zip_fread.c

diff --git a/lib/zip_fread.c b/lib/zip_fread.c
new file mode 100644
index 0000000..9837207
--- /dev/null
+++ b/lib/zip_fread.c
@@ -0,0 +1,86 @@
+#include "zip.h"
+#include "zipint.h"
+
+
+
+int
+zip_fread(struct zip_file *zff, char *outbuf, int toread)
+{
+    int len, out_before, ret;
+
+    if (!zff)
+	return -1;
+
+    if (zff->flags != 0)
+	return -1;
+
+    if (toread == 0)
+	return 0;
+
+    if (zff->bytes_left == 0) {
+	zff->flags = -1;
+	if (zff->crc != zff->crc_orig) {
+	    zff->flags = ZERR_CRC;
+	    return -1;
+	}
+	return 0;
+    }
+    
+    if (zff->method == 0) {
+	ret = _zip_file_fillbuf(outbuf, toread, zff);
+	if (ret > 0) {
+	    zff->crc = crc32(zff->crc, outbuf, ret);
+	    zff->bytes_left -= ret;
+	}
+	return ret;
+    }
+    
+    zff->zstr->next_out = outbuf;
+    zff->zstr->avail_out = toread;
+    out_before = zff->zstr->total_out;
+    
+    /* endless loop until something has been accomplished */
+    for (;;) {
+	ret = inflate(zff->zstr, Z_SYNC_FLUSH);
+
+	switch (ret) {
+	case Z_OK:
+	case Z_STREAM_END:
+	    /* all ok */
+	    /* XXX: STREAM_END probably won't happen, since we didn't
+	       have a header */
+	    len = zff->zstr->total_out - out_before;
+	    if (len >= zff->bytes_left || len >= toread) {
+		zff->crc = crc32(zff->crc, outbuf, len);
+		zff->bytes_left -= len;
+	        return(len);
+	    }
+	    break;
+
+	case Z_BUF_ERROR:
+	    if (zff->zstr->avail_in == 0) {
+		/* read some more bytes */
+		len = _zip_file_fillbuf(zff->buffer, BUFSIZE, zff);
+		if (len <= 0) {
+		    /* XXX: error
+		       myerror (ERRSTR, "read error");
+		    */
+		    return -1;
+		}
+		zff->zstr->next_in = zff->buffer;
+		zff->zstr->avail_in = len;
+		continue;
+	    }
+	    /* XXX: set error */
+	    myerror(ERRFILE, "zlib error: buf_err: %s", zff->zstr->msg);
+	    return -1;
+	case Z_NEED_DICT:
+	case Z_DATA_ERROR:
+	case Z_STREAM_ERROR:
+	case Z_MEM_ERROR:
+	    /* XXX: set error */
+	    myerror(ERRFILE, "zlib error: %s", zff->zstr->msg);
+	    return -1;
+	}
+    }
+}