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-rw-r--r--stdio-common/vfscanf.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index c7ea4bb5e0..dd635c9f34 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -724,13 +724,13 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
while ((fc = *f++) != '\0' && fc != ']')
{
- if (*f == '-' && f[1] != '\0' && f[1] != ']' && fc <= f[1])
+ if (fc == '-' && *f != '\0' && *f != ']' &&
+ (unsigned char) f[-2] <= (unsigned char) *f)
{
/* Add all characters from the one before the '-'
up to (but not including) the next format char. */
- f++;
- while (fc < *f)
- wp[fc++] = 1;
+ for (fc = f[-2]; fc < *f; ++fc)
+ wp[fc] = 1;
}
else
/* Add the character to the flag map. */