diff options
| -rw-r--r-- | include/parseopt.h | 2 | ||||
| -rw-r--r-- | lib/parseopt.c | 30 |
2 files changed, 32 insertions, 0 deletions
diff --git a/include/parseopt.h b/include/parseopt.h index 1f9763f8c9..273a371ac3 100644 --- a/include/parseopt.h +++ b/include/parseopt.h @@ -1,5 +1,7 @@ #ifndef __PARSEOPT_H__ #define __PARSEOPT_H__ +void parseopt_llu_suffix(const char *options, const char *opt, + unsigned long long *val); void parseopt_b(const char *options, const char *opt, bool *val); void parseopt_hu(const char *options, const char *opt, unsigned short *val); diff --git a/lib/parseopt.c b/lib/parseopt.c index 8211733e3b..70983066d9 100644 --- a/lib/parseopt.c +++ b/lib/parseopt.c @@ -122,3 +122,33 @@ again: *val = xstrndup(parsed, endp - parsed); } + +void parseopt_llu_suffix(const char *options, const char *opt, + unsigned long long *val) +{ + const char *start; + size_t optlen = strlen(opt); + unsigned long long v; + char *endp; + +again: + start = strstr(options, opt); + + if (!start) + return; + + if (start > options && start[-1] != ',') { + options = start; + goto again; + } + + if (start[optlen] != '=') { + options = start; + goto again; + } + + v = strtoull_suffix(start + optlen + 1, &endp, 0); + + if (*endp == ',' || *endp == '\0') + *val = v; +} |