1 /* $Id: compat_getsubopt.c,v 1.6 2020/06/15 01:37:15 schwarze Exp $ */
2 /* $OpenBSD: getsubopt.c,v 1.4 2005/08/08 08:05:36 espie Exp $ */
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39 getsubopt(char **optionp, char * const *tokens, char **valuep)
45 suboptarg = *valuep = NULL;
47 if (!optionp || !*optionp)
50 /* skip leading white-space, commas */
51 for (p = *optionp; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
58 /* save the start of the token, and skip the rest of the token. */
60 *++p && *p != ',' && *p != '=' && *p != ' ' && *p != '\t';);
64 * If there's an equals sign, set the value pointer, and
65 * skip over the value part of the token. Terminate the
71 *p && *p != ',' && *p != ' ' && *p != '\t'; ++p);
76 /* Skip any whitespace or commas after this token. */
77 for (; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
80 /* set optionp for next round. */
83 for (cnt = 0; *tokens; ++tokens, ++cnt)
84 if (!strcmp(suboptarg, *tokens))