cederom commented on code in PR #16544:
URL: https://github.com/apache/nuttx/pull/16544#discussion_r2154321789
##########
libs/libc/stream/lib_libvscanf.c:
##########
@@ -1279,6 +1279,24 @@ int lib_vscanf(FAR struct lib_instream_s *stream, FAR
int *lastc,
return ret;
}
+/****************************************************************************
+ * Name: lib_scanf
+ ****************************************************************************/
+
+int lib_scanf(FAR struct lib_instream_s *stream, FAR int *lastc,
Review Comment:
This is a `...` wrapper for `lib_vscanf()` with `va_list ap` parameter, not
quite ISO compliant [1] but aligns with current implementation :-P
>#include <stdio.h>
int
scanf(const char * restrict format, ...);
int
fscanf(FILE * restrict stream, const char * restrict format, ...);
int
sscanf(const char * restrict str, const char * restrict format, ...);
#include <stdarg.h>
int
vscanf(const char * restrict format, va_list ap);
int
vsscanf(const char * restrict str, const char * restrict
format,
va_list ap);
int
vfscanf(FILE * restrict stream, const char * restrict
format,
va_list ap);
> The functions fscanf(), scanf(), sscanf(), vfscanf(), vscanf() and
vsscanf() conform to ISO/IEC 9899:1999 ("ISO C99").
[1] https://man.freebsd.org/cgi/man.cgi?query=scanf&sektion=3
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