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merge(3p/git): Merge git upstream at v2.26.2

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This commit is contained in:
Vincent Ambo 2020-05-22 17:46:45 +01:00
commit 5229c9b232
1006 changed files with 149006 additions and 60819 deletions
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20
third_party/git/usage.c vendored
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@ -9,14 +9,26 @@
void vreportf(const char *prefix, const char *err, va_list params)
{
char msg[4096];
char *p;
char *p, *pend = msg + sizeof(msg);
size_t prefix_len = strlen(prefix);
vsnprintf(msg, sizeof(msg), err, params);
for (p = msg; *p; p++) {
if (sizeof(msg) <= prefix_len) {
fprintf(stderr, "BUG!!! too long a prefix '%s'\n", prefix);
abort();
}
memcpy(msg, prefix, prefix_len);
p = msg + prefix_len;
if (vsnprintf(p, pend - p, err, params) < 0)
*p = '\0'; /* vsnprintf() failed, clip at prefix */
for (; p != pend - 1 && *p; p++) {
if (iscntrl(*p) && *p != '\t' && *p != '\n')
*p = '?';
}
fprintf(stderr, "%s%s\n", prefix, msg);
*(p++) = '\n'; /* we no longer need a NUL */
fflush(stderr);
write_in_full(2, msg, p - msg);
}
static NORETURN void usage_builtin(const char *err, va_list params)