diff options
Diffstat (limited to 'usr.bin/patch/backupfile.c')
| -rw-r--r-- | usr.bin/patch/backupfile.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/usr.bin/patch/backupfile.c b/usr.bin/patch/backupfile.c index 2d4037b6638..d9e40bcba7e 100644 --- a/usr.bin/patch/backupfile.c +++ b/usr.bin/patch/backupfile.c @@ -1,4 +1,4 @@ -/* $OpenBSD: backupfile.c,v 1.20 2009/10/27 23:59:41 deraadt Exp $ */ +/* $OpenBSD: backupfile.c,v 1.21 2013/11/26 13:19:07 deraadt Exp $ */ /* * backupfile.c -- make Emacs style backup file names Copyright (C) 1990 Free @@ -132,8 +132,9 @@ version_number(const char *base, const char *backup, size_t base_length) const char *p; version = 0; - if (!strncmp(base, backup, base_length) && ISDIGIT(backup[base_length])) { - for (p = &backup[base_length]; ISDIGIT(*p); ++p) + if (!strncmp(base, backup, base_length) && + ISDIGIT((unsigned char)backup[base_length])) { + for (p = &backup[base_length]; ISDIGIT((unsigned char)*p); ++p) version = version * 10 + *p - '0'; if (p[0] != '~' || p[1]) version = 0; |