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32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From 78897b0dc00b7cd5c29af5e0b7eebf2396d8dce0 Mon Sep 17 00:00:00 2001
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From: Rich Felker <dalias@aerifal.cx>
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Date: Fri, 16 Sep 2016 17:40:08 -0400
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Subject: fix printf regression with alt-form octal, zero flag, and field width
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commit b91cdbe2bc8b626aa04dc6e3e84345accf34e4b1, in fixing another
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issue, changed the logic for how alt-form octal adds the leading zero
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to adjust the precision rather than using a prefix character. this
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wrongly suppressed the zero flag by mimicing an explicit precision
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given by the format string. switch back to using a prefix character.
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based on bug report and patch by Dmitry V. Levin, but simplified.
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---
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src/stdio/vfprintf.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
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index 2ecf769..e439a07 100644
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--- a/src/stdio/vfprintf.c
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+++ b/src/stdio/vfprintf.c
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@@ -570,7 +570,7 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
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if (0) {
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case 'o':
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a = fmt_o(arg.i, z);
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- if ((fl&ALT_FORM) && p<z-a+1) p=z-a+1;
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+ if ((fl&ALT_FORM) && p<z-a+1) prefix+=5, pl=1;
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} if (0) {
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case 'd': case 'i':
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pl=1;
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--
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cgit v0.11.2
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