X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Flog.c;h=d964e6151f652df7e667b4300089670882598886;hb=46c219c69676ea4e6f467692b7db6e48a708ab80;hp=bd4193688afdb89a070251f57bbf69ca357e7c36;hpb=b1a8334f97f84e10ee9cef96377bbdcfbf5f945c;p=matches%2FMCTX3420.git diff --git a/server/log.c b/server/log.c index bd41936..d964e61 100644 --- a/server/log.c +++ b/server/log.c @@ -1,23 +1,27 @@ /** * @file log.c - * @purpose Implement logging and error handling functions + * @brief Implement logging and error handling functions */ #include +#include // --- Custom headers --- // +#include "common.h" #include "log.h" #include "options.h" // --- Static variables --- // -static char * unspecified_funct = (char*)"???"; +static const char * unspecified_funct = "???"; // --- Function implementations --- // +//TODO: Migrate to syslog (shouldn't be too hard; these functions basically do what syslog does) +// Note that we will want to have a seperate log as well as syslog; give the user the option to view the log using the GUI + /** - * @funct Log - * @purpose Print a message to stderr + * Print a message to stderr * @param level - Specify how severe the message is. If level is higher (less urgent) than the program's verbosity (see options.h) no message will be printed * @param funct - String indicating the function name from which this function was called. @@ -25,36 +29,41 @@ static char * unspecified_funct = (char*)"???"; * @param fmt - A format string * @param ... - Arguments to be printed according to the format string */ -void Log(int level, char * funct, char * fmt, ...) +void LogEx(int level, const char * funct, ...) { + const char *fmt; + va_list va; + va_start(va, funct); + fmt = va_arg(va, const char*); + if (fmt == NULL) // sanity check - Fatal("Log", "Format string is NULL"); + FatalEx("Log", "Format string is NULL"); // Don't print the message unless we need to - if (level > g_options.verbosity) + if (level > g_options.verbosity) return; if (funct == NULL) funct = unspecified_funct; // Make a human readable severity string - char severity[BUFSIZ]; + const char *severity; switch (level) { case LOGERR: - sprintf(severity, "ERROR"); + severity = "ERROR"; break; case LOGWARN: - sprintf(severity, "WARNING"); + severity = "WARNING"; break; case LOGNOTE: - sprintf(severity, "NOTICE"); + severity = "NOTICE"; break; case LOGINFO: - sprintf(severity, "INFO"); + severity = "INFO"; break; default: - sprintf(severity, "DEBUG"); + severity = "DEBUG"; break; } @@ -62,8 +71,6 @@ void Log(int level, char * funct, char * fmt, ...) fprintf(stderr, "%s [%d] : %s : %s - ", g_options.program, getpid(), severity, funct); // Then pass additional arguments with the format string to vfprintf for printing - va_list va; - va_start(va, fmt); vfprintf(stderr, fmt, va); va_end(va); @@ -72,21 +79,24 @@ void Log(int level, char * funct, char * fmt, ...) } /** - * @funct Fatal - * @purpose Handle a Fatal error in the program by printing a message and exiting the program - CALLING THIS FUNCTION WILL CAUSE THE PROGAM TO EXIT + * Handle a Fatal error in the program by printing a message and exiting the program + * CALLING THIS FUNCTION WILL CAUSE THE PROGAM TO EXIT * @param funct - Name of the calling function * @param fmt - A format string * @param ... - Arguments to be printed according to the format string */ -void Fatal(char * funct, char * fmt, ...) +void FatalEx(const char * funct, ...) { + const char *fmt; + va_list va; + va_start(va, funct); + fmt = va_arg(va, const char*); if (fmt == NULL) { // Fatal error in the Fatal function. // (This really shouldn't happen unless someone does something insanely stupid) - Fatal("Fatal", "Format string is NULL"); + FatalEx("Fatal", "Format string is NULL"); return; // Should never get here } @@ -95,8 +105,6 @@ void Fatal(char * funct, char * fmt, ...) fprintf(stderr, "%s [%d] : %s : FATAL - ", g_options.program, getpid(), funct); - va_list va; - va_start(va, fmt); vfprintf(stderr, fmt, va); va_end(va); fprintf(stderr, "\n");