This function is used to replaced some code in the next patch that
does this (i.e. keep the errno when read() fails)
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
strbuf.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/strbuf.c b/strbuf.c
index 33018d8..61d685d 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -454,15 +454,18 @@ int strbuf_getwholeline_fd(struct strbuf *sb, int fd, int term)
int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint)
{
- int fd, len;
+ int fd, len, saved_errno;
fd = open(path, O_RDONLY);
if (fd < 0)
return -1;
len = strbuf_read(sb, fd, hint);
+ saved_errno = errno;
close(fd);
- if (len < 0)
+ if (len < 0) {
+ errno = saved_errno;
return -1;
+ }
return len;
}
--
1.9.1.346.ga2b5940
--
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