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| author | Keith Packard <keithp@keithp.com> | 2019-12-16 13:55:30 -0800 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2019-12-17 10:07:44 +0100 |
| commit | 2635b580ec16aff4230c6ff5fb35c965bf30a251 (patch) | |
| tree | 56ea2fd094d7e469abcc0c8c8663e38d3b0e7278 /newlib/libc/stdlib/strtol.c | |
| parent | d3574fc148721fbaf5be8afa7c32e0bc1aa3bf5c (diff) | |
| download | newlib-2635b580ec16aff4230c6ff5fb35c965bf30a251.zip newlib-2635b580ec16aff4230c6ff5fb35c965bf30a251.tar.gz newlib-2635b580ec16aff4230c6ff5fb35c965bf30a251.tar.bz2 | |
Return EINVAL for illegal base in strtol
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'newlib/libc/stdlib/strtol.c')
| -rw-r--r-- | newlib/libc/stdlib/strtol.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/newlib/libc/stdlib/strtol.c b/newlib/libc/stdlib/strtol.c index f7572b1..897890f 100644 --- a/newlib/libc/stdlib/strtol.c +++ b/newlib/libc/stdlib/strtol.c @@ -140,6 +140,11 @@ _strtol_l (struct _reent *rptr, const char *__restrict nptr, register unsigned long cutoff; register int neg = 0, any, cutlim; + if (base < 0 || base == 1 || base > 36) { + errno = EINVAL; + return 0; + } + /* * Skip white space and pick up leading +/- sign if any. * If base is 0, allow 0x for hex and 0 for octal, else @@ -193,9 +198,9 @@ _strtol_l (struct _reent *rptr, const char *__restrict nptr, break; if (c >= base) break; - if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) + if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) { any = -1; - else { + } else { any = 1; acc *= base; acc += c; |