#include "hex.h"
#include "run-command.h"
#include "trace.h"
-#include "wrapper.h"
#include "write-or-die.h"
char packet_buffer[LARGE_PACKET_MAX];
return ret;
}
-int packet_length(const char lenbuf_hex[4])
+int packet_length(const char lenbuf_hex[4], size_t size)
{
- int val = hex2chr(lenbuf_hex);
- return (val < 0) ? val : (val << 8) | hex2chr(lenbuf_hex + 2);
+ if (size < 4)
+ BUG("buffer too small");
+ return hexval(lenbuf_hex[0]) << 12 |
+ hexval(lenbuf_hex[1]) << 8 |
+ hexval(lenbuf_hex[2]) << 4 |
+ hexval(lenbuf_hex[3]);
}
static char *find_packfile_uri_path(const char *buffer)
return PACKET_READ_EOF;
}
- len = packet_length(linelen);
+ len = packet_length(linelen, sizeof(linelen));
if (len < 0) {
if (options & PACKET_READ_GENTLE_ON_READ_ERROR)