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Add POSIX's apostrophe flag for printf-based funcs #1285

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merged 1 commit into from
Sep 15, 2024
Merged

Add POSIX's apostrophe flag for printf-based funcs #1285

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2 changes: 1 addition & 1 deletion libc/stdio/fmt.c
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@
#define FLAGS_ISSIGNED 0x40
#define FLAGS_NOQUOTE 0x80
#define FLAGS_REPR 0x100
#define FLAGS_QUOTE FLAGS_SPACE
#define FLAGS_QUOTE 0x200
#define FLAGS_GROUPING FLAGS_NOQUOTE

#define __FMT_PUT(C) \
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7 changes: 7 additions & 0 deletions test/libc/stdio/snprintf_test.c
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Expand Up @@ -250,3 +250,10 @@ TEST(snprintf, testAConversionSpecifier) {
ASSERT_STREQ("0x1.8p+4", buf);
}
*/

TEST(snprintf, apostropheFlag) {
char buf[20];
int i = snprintf(buf, sizeof(buf), "%'d", 1000000);
ASSERT_EQ(7, i);
ASSERT_STREQ("1000000", buf);
}
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