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| author | zwelch <zwelch@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-06-17 00:30:29 +0000 |
|---|---|---|
| committer | zwelch <zwelch@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-06-17 00:30:29 +0000 |
| commit | 06a1bb335e0971a7b986d7726c48d1502e2517c4 (patch) | |
| tree | aa94b127d353d41105e7ae3a5cb6321702489826 /src/helper | |
| parent | a830197f59d61b2734ecc872fd7c7905ac36af37 (diff) | |
| download | openocd_libswd-06a1bb335e0971a7b986d7726c48d1502e2517c4.tar.gz openocd_libswd-06a1bb335e0971a7b986d7726c48d1502e2517c4.tar.bz2 openocd_libswd-06a1bb335e0971a7b986d7726c48d1502e2517c4.tar.xz openocd_libswd-06a1bb335e0971a7b986d7726c48d1502e2517c4.zip | |
Convert core parse_type implementations to check for underflow errors.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2256 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/helper')
| -rw-r--r-- | src/helper/command.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/helper/command.c b/src/helper/command.c index 30c5b121..9a8907d6 100644 --- a/src/helper/command.c +++ b/src/helper/command.c @@ -863,16 +863,20 @@ long jim_global_long(const char *variable) return 0; } -#define DEFINE_PARSE_NUM_TYPE(name, type, func, max) \ +#define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \ int parse##name(const char *str, type *ul) \ { \ + if (!*str) \ + return ERROR_COMMAND_SYNTAX_ERROR; \ char *end; \ *ul = func(str, &end, 0); \ - bool is_okay = *str && !*end && (max != *ul); \ - return is_okay ? ERROR_OK : ERROR_COMMAND_SYNTAX_ERROR; \ + if (*end) \ + return ERROR_COMMAND_SYNTAX_ERROR; \ + if (*ul == max || (min && min == *ul)) \ + return ERROR_COMMAND_SYNTAX_ERROR; \ + return ERROR_OK; \ } -DEFINE_PARSE_NUM_TYPE(_ulong, unsigned long , strtoul, ULONG_MAX) -DEFINE_PARSE_NUM_TYPE(_ullong, unsigned long long, strtoull, ULLONG_MAX) -DEFINE_PARSE_NUM_TYPE(_long, long , strtol, LONG_MAX) -DEFINE_PARSE_NUM_TYPE(_llong, long long, strtoll, LLONG_MAX) - +DEFINE_PARSE_NUM_TYPE(_ulong, unsigned long , strtoul, 0, ULONG_MAX) +DEFINE_PARSE_NUM_TYPE(_ullong, unsigned long long, strtoull, 0, ULLONG_MAX) +DEFINE_PARSE_NUM_TYPE(_long, long , strtol, LONG_MIN, LONG_MAX) +DEFINE_PARSE_NUM_TYPE(_llong, long long, strtoll, LLONG_MIN, LLONG_MAX) |