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Message-Id: <20180531215655.6662-1-avagin@virtuozzo.com>
Date: Fri, 1 Jun 2018 00:56:55 +0300
From: Andrei Vagin <avagin@...tuozzo.com>
To: musl@...ts.openwall.com
Cc: Andrei Vagin <avagin@...tuozzo.com>
Subject: [PATCH] printf: handle the L modifier for integers
The L modifier is usually used for floating-point numbers, but
glibc allows to use this modifier for integers too.
I think here is nothing wrong if we will be compatible with glibc here.
It is not often when a error code of printf is checked, so we may have
a situation when a code works with glibc and doesn't work with musl.
Signed-off-by: Andrei Vagin <avagin@...tuozzo.com>
---
src/stdio/vfprintf.c | 3 +++
src/stdio/vfwprintf.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index 50fb55c1..7f6c4f39 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -82,6 +82,9 @@ static const unsigned char states[]['z'-'A'+1] = {
}, { /* 5: L-prefixed */
S('e') = LDBL, S('f') = LDBL, S('g') = LDBL, S('a') = LDBL,
S('E') = LDBL, S('F') = LDBL, S('G') = LDBL, S('A') = LDBL,
+ S('d') = LLONG, S('i') = LLONG,
+ S('o') = ULLONG, S('u') = ULLONG,
+ S('x') = ULLONG, S('X') = ULLONG,
S('n') = PTR,
}, { /* 6: z- or t-prefixed (assumed to be same size) */
S('d') = PDIFF, S('i') = PDIFF,
diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c
index e87ad42a..c6ce82ea 100644
--- a/src/stdio/vfwprintf.c
+++ b/src/stdio/vfwprintf.c
@@ -73,6 +73,9 @@ static const unsigned char states[]['z'-'A'+1] = {
}, { /* 5: L-prefixed */
S('e') = LDBL, S('f') = LDBL, S('g') = LDBL, S('a') = LDBL,
S('E') = LDBL, S('F') = LDBL, S('G') = LDBL, S('A') = LDBL,
+ S('d') = LLONG, S('i') = LLONG,
+ S('o') = ULLONG, S('u') = ULLONG,
+ S('x') = ULLONG, S('X') = ULLONG,
S('n') = PTR,
}, { /* 6: z- or t-prefixed (assumed to be same size) */
S('d') = PDIFF, S('i') = PDIFF,
--
2.14.3
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