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Parse and apply environment variables

This commit is contained in:
Nick Chambers 2022-06-28 20:27:17 -05:00
parent fb3610c4d5
commit 8b8f6a2b3f
1 changed files with 35 additions and 0 deletions
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35
src/gargoyle.c
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@ -89,3 +89,38 @@ uint8_t gargoyle_digest_args(uint16_t optc, struct gargoyle_opt *optv, int *argc
return GARGOYLE_ERR_SUCCESS;
}
uint8_t gargoyle_digest_envh(uint16_t optc, struct gargoyle_opt *optv, const char *prefix, uint16_t prefix_sz, char ***envh, gargoyle_flag_type flags) {
if(flags & GARGOYLE_FLG_BCASE) {
flags |= GARGOYLE_FLG_ICASE;
}
for(; **envh; *envh += 1) {
const char *var = **envh;
if(!gargoyle_cmp(prefix, var, prefix_sz, flags) || *(var + prefix_sz) != '_') {
continue;
}
const char *brand = var + prefix_sz + 1;
struct gargoyle_opt *opt = gargoyle_find_brand(optc, optv, brand, "NO_", 3, flags);
if(!opt) {
if(flags & GARGOYLE_FLG_STRCT) {
return GARGOYLE_ERR_UNKNOWN_OPT;
} else {
continue;
}
}
uint8_t res = 0;
if(opt->type & GARGOYLE_TYPE_BOOL) {
res = gargoyle_from_bool(opt, brand, "NO_", 3, flags);
} else {
res = gargoyle_from_rope(opt, brand + opt->brand_sz + 1, flags);
}
}
return 0;
}