From 0d87eb4279034d7806a08d128972558c8ba573ff Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 13 Apr 2010 02:22:41 +0200 Subject: [PATCH] load-fragment: simplify fragment loading code by using macros --- load-fragment.c | 209 ++++++++++++------------------------------------ 1 file changed, 50 insertions(+), 159 deletions(-) diff --git a/load-fragment.c b/load-fragment.c index 9eb00531c94..47cfcd676c4 100644 --- a/load-fragment.c +++ b/load-fragment.c @@ -37,6 +37,33 @@ #include "securebits.h" #include "missing.h" +#define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ + static int function( \ + const char *filename, \ + unsigned line, \ + const char *section, \ + const char *lvalue, \ + const char *rvalue, \ + void *data, \ + void *userdata) { \ + \ + type *i = data, x; \ + \ + assert(filename); \ + assert(lvalue); \ + assert(rvalue); \ + assert(data); \ + \ + if ((x = name##_from_string(rvalue)) < 0) { \ + log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \ + return -EBADMSG; \ + } \ + \ + *i = x; \ + \ + return 0; \ + } + static int config_parse_deps( const char *filename, unsigned line, @@ -401,59 +428,8 @@ static int config_parse_usec( return 0; } -static int config_parse_service_type( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - Service *s = data; - ServiceType x; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((x = service_type_from_string(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue); - return -EBADMSG; - } - - s->type = x; - - return 0; -} - -static int config_parse_service_restart( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - Service *s = data; - ServiceRestart x; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((x = service_restart_from_string(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse service restart specifier: %s", filename, line, rvalue); - return -EBADMSG; - } - - s->restart = x; - - return 0; -} +DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); +DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); static int config_parse_bindtodevice( const char *filename, @@ -484,57 +460,8 @@ static int config_parse_bindtodevice( return 0; } -static int config_parse_output( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - ExecOutput *o = data, x; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((x = exec_output_from_string(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse output specifier: %s", filename, line, rvalue); - return -EBADMSG; - } - - *o = x; - - return 0; -} - -static int config_parse_input( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - ExecInput *i = data, x; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((x = exec_input_from_string(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse input specifier: %s", filename, line, rvalue); - return -EBADMSG; - } - - *i = x; - - return 0; -} +DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier"); +DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier"); static int config_parse_facility( const char *filename, @@ -553,13 +480,10 @@ static int config_parse_facility( assert(rvalue); assert(data); - if ((x = log_facility_from_string(rvalue)) < 0) - - /* Second try, let's see if this is a number. */ - if (safe_atoi(rvalue, &x) < 0 || !log_facility_to_string(x)) { - log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); - return -EBADMSG; - } + if ((x = log_facility_from_string(rvalue)) < 0) { + log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); + return -EBADMSG; + } *o = LOG_MAKEPRI(x, LOG_PRI(*o)); @@ -583,13 +507,10 @@ static int config_parse_level( assert(rvalue); assert(data); - if ((x = log_level_from_string(rvalue)) < 0) - - /* Second try, let's see if this is a number. */ - if (safe_atoi(rvalue, &x) < 0 || !log_level_to_string(x)) { - log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); - return -EBADMSG; - } + if ((x = log_level_from_string(rvalue)) < 0) { + log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); + return -EBADMSG; + } *o = LOG_MAKEPRI(LOG_FAC(*o), x); return 0; @@ -612,13 +533,10 @@ static int config_parse_io_class( assert(rvalue); assert(data); - if ((x = ioprio_class_from_string(rvalue)) < 0) - - /* Second try, let's see if this is a number. */ - if (safe_atoi(rvalue, &x) < 0 || !ioprio_class_to_string(x)) { - log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); - return -EBADMSG; - } + if ((x = ioprio_class_from_string(rvalue)) < 0) { + log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); + return -EBADMSG; + } c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); c->ioprio_set = true; @@ -672,13 +590,10 @@ static int config_parse_cpu_sched_policy( assert(rvalue); assert(data); - if ((x = sched_policy_from_string(rvalue)) < 0) - - /* Second try, let's see if this is a number. */ - if (safe_atoi(rvalue, &x) < 0 || !sched_policy_to_string(x)) { - log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); - return -EBADMSG; - } + if ((x = sched_policy_from_string(rvalue)) < 0) { + log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); + return -EBADMSG; + } c->cpu_sched_policy = x; c->cpu_sched_set = true; @@ -988,31 +903,7 @@ static int config_parse_sysv_priority( return 0; } -static int config_parse_kill_mode( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - KillMode *m = data, x; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((x = kill_mode_from_string(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse kill mode specifier: %s", filename, line, rvalue); - return -EBADMSG; - } - - *m = x; - - return 0; -} +DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); #define FOLLOW_MAX 8 @@ -1279,8 +1170,8 @@ static int load_from_path(Unit *u, const char *path) { { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, - { "Type", config_parse_service_type, &u->service, "Service" }, - { "Restart", config_parse_service_restart, &u->service, "Service" }, + { "Type", config_parse_service_type, &u->service.type, "Service" }, + { "Restart", config_parse_service_restart, &u->service.restart, "Service" }, { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },