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Diffstat (limited to 'pkt-line.c')
-rw-r--r--pkt-line.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/pkt-line.c b/pkt-line.c
index 5a04984ea3..eaba15f124 100644
--- a/pkt-line.c
+++ b/pkt-line.c
@@ -135,13 +135,19 @@ void packet_buf_write(struct strbuf *buf, const char *fmt, ...)
strbuf_add(buf, buffer, n);
}
-static void safe_read(int fd, void *buffer, unsigned size)
+static int safe_read(int fd, void *buffer, unsigned size, int return_line_fail)
{
ssize_t ret = read_in_full(fd, buffer, size);
if (ret < 0)
die_errno("read error");
- else if (ret < size)
+ else if (ret < size) {
+ if (return_line_fail)
+ return -1;
+
die("The remote end hung up unexpectedly");
+ }
+
+ return ret;
}
static int packet_length(const char *linelen)
@@ -169,12 +175,14 @@ static int packet_length(const char *linelen)
return len;
}
-int packet_read_line(int fd, char *buffer, unsigned size)
+static int packet_read_internal(int fd, char *buffer, unsigned size, int return_line_fail)
{
- int len;
+ int len, ret;
char linelen[4];
- safe_read(fd, linelen, 4);
+ ret = safe_read(fd, linelen, 4, return_line_fail);
+ if (return_line_fail && ret < 0)
+ return ret;
len = packet_length(linelen);
if (len < 0)
die("protocol error: bad line length character: %.4s", linelen);
@@ -185,12 +193,24 @@ int packet_read_line(int fd, char *buffer, unsigned size)
len -= 4;
if (len >= size)
die("protocol error: bad line length %d", len);
- safe_read(fd, buffer, len);
+ ret = safe_read(fd, buffer, len, return_line_fail);
+ if (return_line_fail && ret < 0)
+ return ret;
buffer[len] = 0;
packet_trace(buffer, len, 0);
return len;
}
+int packet_read(int fd, char *buffer, unsigned size)
+{
+ return packet_read_internal(fd, buffer, size, 1);
+}
+
+int packet_read_line(int fd, char *buffer, unsigned size)
+{
+ return packet_read_internal(fd, buffer, size, 0);
+}
+
int packet_get_line(struct strbuf *out,
char **src_buf, size_t *src_len)
{