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| author | William Hubbs <w.d.hubbs@gmail.com> | 2017-10-26 12:54:37 -0500 |
|---|---|---|
| committer | William Hubbs <w.d.hubbs@gmail.com> | 2017-10-26 12:54:37 -0500 |
| commit | cf429ee359356d736c818e8b35db8fca887e7332 (patch) | |
| tree | 5851e65891253e3cefe9849474887fed8967353e /src/librc/librc.c | |
| parent | 6f3e2e2d7de61ab28cf03937ccf2e5f80b62190a (diff) | |
rc_service_value_set: remove the option if NULL is the value
This allows the equivalent of "unsetting" a value for a service.
Diffstat (limited to 'src/librc/librc.c')
| -rw-r--r-- | src/librc/librc.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/librc/librc.c b/src/librc/librc.c index 84c76b5a..ee65b00a 100644 --- a/src/librc/librc.c +++ b/src/librc/librc.c @@ -894,12 +894,15 @@ rc_service_value_set(const char *service, const char *option, return false; snprintf(p, sizeof(file) - (p - file), "/%s", option); - if (!(fp = fopen(file, "w"))) - return false; - if (value) + if (value) { + if (!(fp = fopen(file, "w"))) + return false; fprintf(fp, "%s", value); - fclose(fp); - return true; + fclose(fp); + } else { + unlink(file); + } + return true; } librc_hidden_def(rc_service_value_set) |