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Lift 16kB limit of log message output

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Traditionally we had 16kB limit when formatting log messages for
output, because it was easier to arrange for the caller to have
a reasonably big buffer and pass it down without ever worrying
about reallocating.

This changes the calling convention of pretty_print_commit() to
lift this limit.  Instead of the buffer and remaining length, it
now takes a pointer to the pointer that points at the allocated
buffer, and another pointer to the location that stores the
allocated length, and reallocates the buffer as necessary.

To support the user format, the error return of interpolate()
needed to be changed.  It used to return a bool telling "Ok the
result fits", or "Sorry, I had to truncate it".  Now it returns
0 on success, and returns the size of the buffer it wants in
order to fit the whole result.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2007-06-11 00:34:54 -07:00
parent 90ac368afd
commit 80583c0ef6
9 changed files with 123 additions and 73 deletions
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6
builtin-log.c
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@ -742,11 +742,13 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
sign = '-';
if (verbose) {
static char buf[16384];
char *buf = NULL;
unsigned long buflen = 0;
pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
buf, sizeof(buf), 0, NULL, NULL, 0);
&buf, &buflen, 0, NULL, NULL, 0);
printf("%c %s %s\n", sign,
sha1_to_hex(commit->object.sha1), buf);
free(buf);
}
else {
printf("%c %s\n", sign,