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lib_libvscanf.c: Implement "j" modifier for scanf

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It's a part of C99 and commonly used these days.
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YAMAMOTO Takashi 2020-09-23 17:52:33 +09:00 committed by Xiang Xiao
parent a92e394884
commit 3e6561c3cf
1 changed files with 9 additions and 0 deletions
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9
libs/libc/stdio/lib_libvscanf.c
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@ -332,6 +332,15 @@ int lib_vscanf(FAR struct lib_instream_s *obj, FAR int *lastc,
fmt++;
}
}
else if (fmt_char(fmt) == 'j')
{
/* Same as long long if available. Otherwise, long. */
#ifdef CONFIG_LIBC_LONG_LONG
modifier = LL_MOD;
#else
modifier = L_MOD;
#endif
}
else if (fmt_char(fmt) == 'h' || fmt_char(fmt) == 'H')
{
modifier = H_MOD;