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pkt-line: add packet_write_fmt_gently()

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packet_write_fmt() would die in case of a write error even though for
some callers an error would be acceptable. Add packet_write_fmt_gently()
which writes a formatted pkt-line like packet_write_fmt() but does not
die in case of an error. The function is used in a subsequent patch.

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Lars Schneider
2016-10-16 16:20:31 -07:00
committed by Junio C Hamano
parent 2f60bdd1a8
commit 70428d1a52
2 changed files with 31 additions and 4 deletions
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1
pkt-line.h
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@ -23,6 +23,7 @@ void packet_flush(int fd);
void packet_write_fmt(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
void packet_buf_flush(struct strbuf *buf);
void packet_buf_write(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
int packet_write_fmt_gently(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
/*
* Read a packetized line into the buffer, which must be at least size bytes