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-rw-r--r--stdio-common/vfscanf.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index b9fc87679b..9f8eba9c4c 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -434,6 +434,13 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
flags |= LONGDBL;
break;
case 'a':
+ /* The `a' is used as a flag only if followed by `s', `S' or
+ `['. */
+ if (*f != 's' && *f != 'S' && *f != '[')
+ {
+ --f;
+ break;
+ }
if (flags & TYPEMOD)
/* Signal illegal format element. */
conv_error ();
@@ -917,6 +924,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
case 'f':
case 'g':
case 'G':
+ case 'a':
case 'A':
c = inchar ();
if (c == EOF)