trace: correct variable name in write() error message
Our error message for write() always mentions GIT_TRACE, even though we may be writing for a different variable entirely. It's also not quite accurate to say "fd given by GIT_TRACE environment variable", as we may hit this error based on a filename the user put in the variable (we do complain and switch to stderr if the file cannot be opened, but it's still possible to hit a write() error on the descriptor later). So let's fix those things, and switch to our more usual "unable to do X: Y" format for the error. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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10
trace.c
10
trace.c
@ -93,9 +93,6 @@ void trace_disable(struct trace_key *key)
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key->need_close = 0;
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}
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static const char err_msg[] = "could not trace into fd given by "
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"GIT_TRACE environment variable";
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static int prepare_trace_line(const char *file, int line,
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struct trace_key *key, struct strbuf *buf)
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{
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@ -133,8 +130,11 @@ static int prepare_trace_line(const char *file, int line,
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static void trace_write(struct trace_key *key, const void *buf, unsigned len)
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{
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if (write_in_full(get_trace_fd(key), buf, len) < 0)
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warning("%s: write error (%s)", err_msg, strerror(errno));
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if (write_in_full(get_trace_fd(key), buf, len) < 0) {
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normalize_trace_key(&key);
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warning("unable to write trace for %s: %s",
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key->key, strerror(errno));
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}
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}
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void trace_verbatim(struct trace_key *key, const void *buf, unsigned len)
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