From dbf5d92605a9db10e3e3cb154d03a515c5d5c5af Mon Sep 17 00:00:00 2001 From: reinelt Date: Sun, 8 May 2005 04:32:45 +0000 Subject: [lcd4linux @ 2005-05-08 04:32:43 by reinelt] CodingStyle added and applied git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@547 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- plugin_uptime.c | 315 +++++++++++++++++++++++++++++--------------------------- 1 file changed, 162 insertions(+), 153 deletions(-) (limited to 'plugin_uptime.c') diff --git a/plugin_uptime.c b/plugin_uptime.c index 90969d4..f15d86b 100644 --- a/plugin_uptime.c +++ b/plugin_uptime.c @@ -1,4 +1,4 @@ -/* $Id: plugin_uptime.c,v 1.5 2005/01/18 06:30:23 reinelt Exp $ +/* $Id: plugin_uptime.c,v 1.6 2005/05/08 04:32:45 reinelt Exp $ * * plugin for uptime * @@ -23,6 +23,9 @@ * * * $Log: plugin_uptime.c,v $ + * Revision 1.6 2005/05/08 04:32:45 reinelt + * CodingStyle added and applied + * * Revision 1.5 2005/01/18 06:30:23 reinelt * added (C) to all copyright statements * @@ -73,182 +76,188 @@ static int fd = -2; -static char *itoa(char* buffer, const size_t size, unsigned int value) +static char *itoa(char *buffer, const size_t size, unsigned int value) { - char *p; - - /* sanity checks */ - if (buffer==NULL || size<2) return (NULL); - - /* p points to last char */ - p = buffer+size-1; - - /* set terminating zero */ - *p='\0'; - - do { - *--p = value%10 + '0'; - value = value/10; - } while (value!=0 && p>buffer); - - return p; -} - - -char *struptime (const unsigned int uptime, const char *format) + char *p; + + /* sanity checks */ + if (buffer == NULL || size < 2) + return (NULL); + + /* p points to last char */ + p = buffer + size - 1; + + /* set terminating zero */ + *p = '\0'; + + do { + *--p = value % 10 + '0'; + value = value / 10; + } while (value != 0 && p > buffer); + + return p; +} + + +char *struptime(const unsigned int uptime, const char *format) { - static char string[256]; - const char *src; - char *dst; - int len, size; - - src = format; - dst = string; - len = 0; - - /* leave room for terminating zero */ - size = sizeof(string) - 1; - - while (len < size) { - - if (*src == '%') { - src++; - - if (strchr ("sSmMhHd", *src) != NULL) { - char buffer[12], *s; - unsigned int value = 0; - int leading_zero = 0; - switch (*src++) { - case 's': - value = uptime; - break; - case 'S': - value = uptime % 60; - leading_zero = 1; - break; - case 'm': - value = uptime / 60; - break; - case 'M': - value = (uptime / 60) % 60; - leading_zero = 1; - break; - case 'h': - value = uptime / 60 / 60; - break; - case 'H': - value = (uptime / 60 / 60) % 24; - leading_zero = 1; - break; - case 'd': - value = uptime / 60 / 60 / 24; - break; - } - - if (leading_zero && value < 10) { - len++; - *dst++ = '0'; - } + static char string[256]; + const char *src; + char *dst; + int len, size; - s = itoa (buffer, sizeof(buffer), value); - while (len < size && *s != '\0') { - len++; - *dst++ = *s++; - } + src = format; + dst = string; + len = 0; - } else if (*src == '%') { - len++; - *dst++ = '%'; + /* leave room for terminating zero */ + size = sizeof(string) - 1; - } else { - len += 2; - *dst++ = '%'; - *dst++ = *src++; - } + while (len < size) { - } else { - len++; - *dst++ = *src; - if (*src++ == '\0') break; + if (*src == '%') { + src++; + + if (strchr("sSmMhHd", *src) != NULL) { + char buffer[12], *s; + unsigned int value = 0; + int leading_zero = 0; + switch (*src++) { + case 's': + value = uptime; + break; + case 'S': + value = uptime % 60; + leading_zero = 1; + break; + case 'm': + value = uptime / 60; + break; + case 'M': + value = (uptime / 60) % 60; + leading_zero = 1; + break; + case 'h': + value = uptime / 60 / 60; + break; + case 'H': + value = (uptime / 60 / 60) % 24; + leading_zero = 1; + break; + case 'd': + value = uptime / 60 / 60 / 24; + break; + } + + if (leading_zero && value < 10) { + len++; + *dst++ = '0'; + } + + s = itoa(buffer, sizeof(buffer), value); + while (len < size && *s != '\0') { + len++; + *dst++ = *s++; + } + + } else if (*src == '%') { + len++; + *dst++ = '%'; + + } else { + len += 2; + *dst++ = '%'; + *dst++ = *src++; + } + + } else { + len++; + *dst++ = *src; + if (*src++ == '\0') + break; + } } - } - - /* enforce terminating zero */ - if (len >= size && *(dst-1) != '\0') { - len++; - *dst = '\0'; - } - - return string; + + /* enforce terminating zero */ + if (len >= size && *(dst - 1) != '\0') { + len++; + *dst = '\0'; + } + + return string; } -double getuptime (void) +double getuptime(void) { - char buffer[36]; - int i; - - if (fd == -2) fd = open ("/proc/uptime", O_RDONLY); - if (fd < 0) return -1; + char buffer[36]; + int i; - lseek(fd, 0, SEEK_SET); + if (fd == -2) + fd = open("/proc/uptime", O_RDONLY); + if (fd < 0) + return -1; - i = read (fd, buffer, sizeof(buffer) - 1); - if (i < 0) return -1; + lseek(fd, 0, SEEK_SET); - buffer[i-1] = '\0'; - - /* ignore the 2nd value from /proc/uptime */ - return strtod(buffer, NULL); + i = read(fd, buffer, sizeof(buffer) - 1); + if (i < 0) + return -1; + + buffer[i - 1] = '\0'; + + /* ignore the 2nd value from /proc/uptime */ + return strtod(buffer, NULL); } -static void my_uptime (RESULT *result, const int argc, RESULT *argv[]) +static void my_uptime(RESULT * result, const int argc, RESULT * argv[]) { - int age; - static double uptime = 0.0; - static struct timeval last_value; - struct timeval now; - - if (argc>1) { - error ("uptime(): wrong number of parameters"); - SetResult(&result, R_STRING, ""); - return; - } - - gettimeofday(&now,NULL); - - age = (now.tv_sec - last_value.tv_sec)*1000 + (now.tv_usec - last_value.tv_usec)/1000; - /* reread every 100 msec only */ - if (fd == -2 || age == 0 || age > 100) { - uptime = getuptime(); - if (uptime < 0.0) { - error ("parse(/proc/uptime) failed!"); - SetResult(&result, R_STRING, ""); - return; + int age; + static double uptime = 0.0; + static struct timeval last_value; + struct timeval now; + + if (argc > 1) { + error("uptime(): wrong number of parameters"); + SetResult(&result, R_STRING, ""); + return; } - last_value = now; - } - - if (argc == 0) { - SetResult (&result, R_NUMBER, &uptime); - } else { - SetResult (&result, R_STRING, struptime(uptime, R2S(argv[0]))); - } - - return; - + gettimeofday(&now, NULL); + + age = (now.tv_sec - last_value.tv_sec) * 1000 + (now.tv_usec - last_value.tv_usec) / 1000; + /* reread every 100 msec only */ + if (fd == -2 || age == 0 || age > 100) { + uptime = getuptime(); + if (uptime < 0.0) { + error("parse(/proc/uptime) failed!"); + SetResult(&result, R_STRING, ""); + return; + } + + last_value = now; + } + + if (argc == 0) { + SetResult(&result, R_NUMBER, &uptime); + } else { + SetResult(&result, R_STRING, struptime(uptime, R2S(argv[0]))); + } + + return; + } -int plugin_init_uptime (void) +int plugin_init_uptime(void) { - AddFunction ("uptime", -1, my_uptime); - return 0; + AddFunction("uptime", -1, my_uptime); + return 0; } -void plugin_exit_uptime(void) +void plugin_exit_uptime(void) { - if (fd > 0) close(fd); - fd = -2; + if (fd > 0) + close(fd); + fd = -2; } -- cgit v1.2.3