From 1dccbe197cc480c1f161f967d180cbc3cc3d2d66 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 30 Jan 2010 01:52:32 +0100 Subject: [PATCH] add generic string lookup macros --- util.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++---------- util.h | 37 +++++++++++++++++-- 2 files changed, 129 insertions(+), 20 deletions(-) diff --git a/util.c b/util.c index 19375aeb..3ce506b0 100644 --- a/util.c +++ b/util.c @@ -7,9 +7,14 @@ #include #include #include +#include +#include +#include #include "macro.h" #include "util.h" +#include "ioprio.h" +#include "missing.h" usec_t now(clockid_t clock) { struct timespec ts; @@ -277,24 +282,6 @@ char *split_quoted(const char *c, size_t *l, char **state) { return (char*) current; } -const char *sigchld_code(int code) { - - if (code == CLD_EXITED) - return "exited"; - else if (code == CLD_KILLED) - return "killed"; - else if (code == CLD_DUMPED) - return "dumped"; - else if (code == CLD_TRAPPED) - return "trapped"; - else if (code == CLD_STOPPED) - return "stopped"; - else if (code == CLD_CONTINUED) - return "continued"; - - return "unknown"; -} - int get_parent_of_pid(pid_t pid, pid_t *_ppid) { int r; FILE *f; @@ -876,3 +863,92 @@ char *ascii_strlower(char *path) { return p; } + +static const char *const ioprio_class_table[] = { + [IOPRIO_CLASS_NONE] = "none", + [IOPRIO_CLASS_RT] = "realtime", + [IOPRIO_CLASS_BE] = "best-effort", + [IOPRIO_CLASS_IDLE] = "idle" +}; + +DEFINE_STRING_TABLE_LOOKUP(ioprio_class, int); + +static const char *const sigchld_code_table[] = { + [CLD_EXITED] = "exited", + [CLD_KILLED] = "killed", + [CLD_DUMPED] = "dumped", + [CLD_TRAPPED] = "trapped", + [CLD_STOPPED] = "stopped", + [CLD_CONTINUED] = "continued", +}; + +DEFINE_STRING_TABLE_LOOKUP(sigchld_code, int); + +static const char *const log_facility_table[LOG_NFACILITIES] = { + [LOG_FAC(LOG_KERN)] = "kern", + [LOG_FAC(LOG_USER)] = "user", + [LOG_FAC(LOG_MAIL)] = "mail", + [LOG_FAC(LOG_DAEMON)] = "daemon", + [LOG_FAC(LOG_AUTH)] = "auth", + [LOG_FAC(LOG_SYSLOG)] = "syslog", + [LOG_FAC(LOG_LPR)] = "lpr", + [LOG_FAC(LOG_NEWS)] = "news", + [LOG_FAC(LOG_UUCP)] = "uucp", + [LOG_FAC(LOG_CRON)] = "cron", + [LOG_FAC(LOG_AUTHPRIV)] = "authpriv", + [LOG_FAC(LOG_FTP)] = "ftp", + [LOG_FAC(LOG_LOCAL0)] = "local0", + [LOG_FAC(LOG_LOCAL1)] = "local1", + [LOG_FAC(LOG_LOCAL2)] = "local2", + [LOG_FAC(LOG_LOCAL3)] = "local3", + [LOG_FAC(LOG_LOCAL4)] = "local4", + [LOG_FAC(LOG_LOCAL5)] = "local5", + [LOG_FAC(LOG_LOCAL6)] = "local6", + [LOG_FAC(LOG_LOCAL7)] = "local7" +}; + +DEFINE_STRING_TABLE_LOOKUP(log_facility, int); + +static const char *const log_level_table[] = { + [LOG_EMERG] = "emerg", + [LOG_ALERT] = "alert", + [LOG_CRIT] = "crit", + [LOG_ERR] = "err", + [LOG_WARNING] = "warning", + [LOG_NOTICE] = "notice", + [LOG_INFO] = "info", + [LOG_DEBUG] = "debug" +}; + +DEFINE_STRING_TABLE_LOOKUP(log_level, int); + +static const char* const sched_policy_table[] = { + [SCHED_OTHER] = "other", + [SCHED_BATCH] = "batch", + [SCHED_IDLE] = "idle", + [SCHED_FIFO] = "fifo", + [SCHED_RR] = "rr" +}; + +DEFINE_STRING_TABLE_LOOKUP(sched_policy, int); + +static const char* const rlimit_table[] = { + [RLIMIT_CPU] = "LimitCPU", + [RLIMIT_FSIZE] = "LimitFSIZE", + [RLIMIT_DATA] = "LimitDATA", + [RLIMIT_STACK] = "LimitSTACK", + [RLIMIT_CORE] = "LimitCORE", + [RLIMIT_RSS] = "LimitRSS", + [RLIMIT_NOFILE] = "LimitNOFILE", + [RLIMIT_AS] = "LimitAS", + [RLIMIT_NPROC] = "LimitNPROC", + [RLIMIT_MEMLOCK] = "LimitMEMLOCK", + [RLIMIT_LOCKS] = "LimitLOCKS", + [RLIMIT_SIGPENDING] = "LimitSIGPENDING", + [RLIMIT_MSGQUEUE] = "LimitMSGQUEUE", + [RLIMIT_NICE] = "LimitNICE", + [RLIMIT_RTPRIO] = "LimitRTPRIO", + [RLIMIT_RTTIME] = "LimitRTTIME" +}; + +DEFINE_STRING_TABLE_LOOKUP(rlimit, int); diff --git a/util.h b/util.h index 32da179a..476b5ae8 100644 --- a/util.h +++ b/util.h @@ -83,8 +83,6 @@ char *split_quoted(const char *c, size_t *l, char **state); #define FOREACH_WORD_QUOTED(word, length, s, state) \ for ((state) = NULL, (word) = split_quoted((s), &(l), &(state)); (word); (word) = split_quoted((s), &(l), &(state))) -const char *sigchld_code(int code); - pid_t get_parent_of_pid(pid_t pid, pid_t *ppid); int write_one_line_file(const char *fn, const char *line); @@ -121,4 +119,39 @@ char *ascii_strlower(char *path); char *xescape(const char *s, const char *bad); +#define DEFINE_STRING_TABLE_LOOKUP(name,type) \ + const char *name##_to_string(type i) { \ + if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ + return NULL; \ + return name##_table[i]; \ + } \ + type name##_from_string(const char *s) { \ + type i; \ + assert(s); \ + for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ + if (streq(name##_table[i], s)) \ + return i; \ + return (type) -1; \ + } \ + struct __useless_struct_to_allow_trailing_semicolon__ + + +const char *ioprio_class_to_string(int i); +int ioprio_class_from_string(const char *s); + +const char *sigchld_code_to_string(int i); +int sigchld_code_from_string(const char *s); + +const char *log_facility_to_string(int i); +int log_facility_from_string(const char *s); + +const char *log_level_to_string(int i); +int log_level_from_string(const char *s); + +const char *sched_policy_to_string(int i); +int sched_policy_from_string(const char *s); + +const char *rlimit_to_string(int i); +int rlimit_from_string(const char *s); + #endif -- 2.39.5