diff options
| -rw-r--r-- | src/helper/command.c | 15 | ||||
| -rw-r--r-- | src/helper/command.h | 16 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/helper/command.c b/src/helper/command.c index bda51820..bd6b693e 100644 --- a/src/helper/command.c +++ b/src/helper/command.c @@ -848,3 +848,18 @@ long jim_global_long(const char *variable) } return 0; } + +int parse_ullong(const char *str, unsigned long long *ul) +{ + char *end; + *ul = strtoull(str, &end, 0); + bool okay = *str && !*end && ULLONG_MAX != *ul; + return okay ? ERROR_OK : ERROR_COMMAND_SYNTAX_ERROR; +} +int parse_ulong(const char *str, unsigned long *ul) +{ + char *end; + *ul = strtoul(str, &end, 0); + bool okay = *str && !*end && ULONG_MAX != *ul; + return okay ? ERROR_OK : ERROR_COMMAND_SYNTAX_ERROR; +} diff --git a/src/helper/command.h b/src/helper/command.h index 75e513d8..d5b87641 100644 --- a/src/helper/command.h +++ b/src/helper/command.h @@ -107,4 +107,20 @@ void register_jim(command_context_t *context, const char *name, int (*cmd)(Jim_I long jim_global_long(const char *variable); +int parse_ulong(const char *str, unsigned long *ul); +int parse_ullong(const char *str, unsigned long long *ul); + +#define DEFINE_PARSE_ULONG(name, type, max) \ + static inline int parse_##name(const char *str, type *ul) \ + { \ + unsigned long n; \ + int retval = parse_ulong(str, &n); \ + *ul = n; \ + return n > (max) ? ERROR_COMMAND_SYNTAX_ERROR : retval; \ + } +DEFINE_PARSE_ULONG(uint, unsigned, UINT_MAX) +DEFINE_PARSE_ULONG(u32, uint32_t, UINT32_MAX) +DEFINE_PARSE_ULONG(u16, uint16_t, UINT16_MAX) +DEFINE_PARSE_ULONG(u8, uint8_t, UINT8_MAX) + #endif /* COMMAND_H */ |