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Diffstat (limited to 'src/libsystemd-bus/bus-match.c')
| -rw-r--r-- | src/libsystemd-bus/bus-match.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/libsystemd-bus/bus-match.c b/src/libsystemd-bus/bus-match.c index 342819d9c0..7638f2038b 100644 --- a/src/libsystemd-bus/bus-match.c +++ b/src/libsystemd-bus/bus-match.c @@ -816,6 +816,46 @@ fail: return r; } +char *bus_match_to_string(struct bus_match_component *components, unsigned n_components) { + _cleanup_free_ FILE *f = NULL; + char *buffer = NULL; + size_t size = 0; + unsigned i; + + if (n_components <= 0) + return strdup(""); + + assert(components); + + f = open_memstream(&buffer, &size); + if (!f) + return NULL; + + for (i = 0; i < n_components; i++) { + char buf[32]; + + if (i != 0) + fputc(',', f); + + fputs(bus_match_node_type_to_string(components[i].type, buf, sizeof(buf)), f); + fputc('=', f); + fputc('\'', f); + + if (components[i].type == BUS_MATCH_MESSAGE_TYPE) + fputs(bus_message_type_to_string(components[i].value_u8), f); + else + fputs(components[i].value_str, f); + + fputc('\'', f); + } + + fflush(f); + if (ferror(f)) + return NULL; + + return buffer; +} + int bus_match_add( struct bus_match_node *root, struct bus_match_component *components, |