X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-error.c;h=5faa17384eefe875d76d1e8b8a586ec3ab0566fe;hb=49e5de64e22ea4794092b91393545ab08e658e0a;hp=015fae70adebb8212582463ad3a0bdb5d03ce540;hpb=fbfa72b0a1276366d50dce223c06efe9db9d6585;p=elogind.git diff --git a/src/libsystemd-bus/bus-error.c b/src/libsystemd-bus/bus-error.c index 015fae70a..5faa17384 100644 --- a/src/libsystemd-bus/bus-error.c +++ b/src/libsystemd-bus/bus-error.c @@ -86,6 +86,8 @@ int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...) } int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e) { + char *x, *y = NULL; + if (!dest) return 0; if (bus_error_is_dirty(dest)) @@ -93,27 +95,21 @@ int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e) { if (!sd_bus_error_is_set(e)) return 0; - if (e->need_free) { - char *x, *y = NULL; + x = strdup(e->name); + if (!x) + return -ENOMEM; - x = strdup(e->name); - if (!x) + if (e->message) { + y = strdup(e->message); + if (!y) { + free(x); return -ENOMEM; - - if (e->message) { - y = strdup(e->message); - if (!y) { - free(x); - return -ENOMEM; - } } + } - dest->name = x; - dest->message = y; - dest->need_free = true; - } else - *dest = *e; - + dest->name = x; + dest->message = y; + dest->need_free = true; return 0; } @@ -165,10 +161,17 @@ int bus_error_from_errno(sd_bus_error *e, int error) { if (error == -ENOMEM) sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.NoMemory", strerror(-error)); - else if (error == -EPERM || error == EACCES) + else if (error == -EPERM || error == -EACCES) sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.AccessDenied", strerror(-error)); else sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.Failed", "Operation failed"); return error; } + +const char *bus_error_message(const sd_bus_error *e, int error) { + if (e && e->message) + return e->message; + + return strerror(error); +}