diff options
Diffstat (limited to 'plugin_apm.c')
| -rw-r--r-- | plugin_apm.c | 144 |
1 files changed, 76 insertions, 68 deletions
diff --git a/plugin_apm.c b/plugin_apm.c index 293bc6a..5dffa06 100644 --- a/plugin_apm.c +++ b/plugin_apm.c @@ -1,4 +1,4 @@ -/* $Id: plugin_apm.c,v 1.5 2005/01/18 06:30:23 reinelt Exp $ +/* $Id: plugin_apm.c,v 1.6 2005/05/08 04:32:44 reinelt Exp $ * * plugin for APM (battery status) * @@ -26,6 +26,9 @@ * * * $Log: plugin_apm.c,v $ + * Revision 1.6 2005/05/08 04:32:44 reinelt + * CodingStyle added and applied + * * Revision 1.5 2005/01/18 06:30:23 reinelt * added (C) to all copyright statements * @@ -130,87 +133,92 @@ static HASH APM; */ -static int parse_proc_apm (void) +static int parse_proc_apm(void) { - char *key[] = { "driver_version", - "bios_version", - "bios_flags", - "line_status", - "battery_status", - "battery_flag", - "battery_percent", - "battery_remaining", - "time_units" }; - - char buffer[128], *beg, *end; - int age, i; - - /* reread every 10 msec only */ - age = hash_age (&APM, NULL); - if (age > 0 && age <= 10) return 0; - - if (fd == -2) { - fd = open("/proc/apm", O_RDONLY | O_NDELAY); - if (fd == -1) { - error ("open(/proc/apm) failed: %s", strerror(errno)); - return -1; + char *key[] = { "driver_version", + "bios_version", + "bios_flags", + "line_status", + "battery_status", + "battery_flag", + "battery_percent", + "battery_remaining", + "time_units" + }; + + char buffer[128], *beg, *end; + int age, i; + + /* reread every 10 msec only */ + age = hash_age(&APM, NULL); + if (age > 0 && age <= 10) + return 0; + + if (fd == -2) { + fd = open("/proc/apm", O_RDONLY | O_NDELAY); + if (fd == -1) { + error("open(/proc/apm) failed: %s", strerror(errno)); + return -1; + } + } + + if (lseek(fd, 0L, SEEK_SET) != 0) { + error("lseek(/proc/apm) failed: %s", strerror(errno)); + fd = -1; + return -1; + } + + if (read(fd, &buffer, sizeof(buffer) - 1) == -1) { + error("read(/proc/apm) failed: %s", strerror(errno)); + fd = -1; + return -1; + } + + beg = buffer; + for (i = 0; i < 9 && beg != NULL; i++) { + while (*beg == ' ') + beg++; + if ((end = strpbrk(beg, " \n"))) + *end = '\0'; + hash_put(&APM, key[i], beg); + beg = end ? end + 1 : NULL; } - } - - if (lseek(fd, 0L, SEEK_SET) != 0) { - error ("lseek(/proc/apm) failed: %s", strerror(errno)); - fd = -1; - return -1; - } - - if (read (fd, &buffer, sizeof(buffer)-1) == -1) { - error ("read(/proc/apm) failed: %s", strerror(errno)); - fd=-1; - return -1; - } - - beg = buffer; - for (i = 0; i < 9 && beg != NULL; i++) { - while (*beg == ' ') beg++; - if ((end = strpbrk(beg, " \n"))) *end='\0'; - hash_put (&APM, key[i], beg); - beg = end ? end+1 : NULL; - } - - return 0; + + return 0; } -static void my_apm (RESULT *result, RESULT *arg1) +static void my_apm(RESULT * result, RESULT * arg1) { - char *val; - - if (parse_proc_apm() < 0) { - SetResult(&result, R_STRING, ""); - return; - } + char *val; + + if (parse_proc_apm() < 0) { + SetResult(&result, R_STRING, ""); + return; + } - val = hash_get(&APM, R2S(arg1), NULL); - if (val == NULL) val = ""; + val = hash_get(&APM, R2S(arg1), NULL); + if (val == NULL) + val = ""; - SetResult(&result, R_STRING, val); + SetResult(&result, R_STRING, val); } -int plugin_init_apm (void) +int plugin_init_apm(void) { - hash_create (&APM); - - AddFunction ("apm", 1, my_apm); + hash_create(&APM); + + AddFunction("apm", 1, my_apm); - return 0; + return 0; } -void plugin_exit_apm (void) +void plugin_exit_apm(void) { - if (fd > -1) { - close (fd); - } - fd = -2; + if (fd > -1) { + close(fd); + } + fd = -2; - hash_destroy(&APM); + hash_destroy(&APM); } |