version 1.25, 2003/01/11 18:29:43 |
version 1.25.2.2, 2004/03/04 18:18:15 |
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#include "xmalloc.h" |
#include "xmalloc.h" |
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#include <syslog.h> |
#include <syslog.h> |
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#include <vis.h> |
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static LogLevel log_level = SYSLOG_LEVEL_INFO; |
static LogLevel log_level = SYSLOG_LEVEL_INFO; |
static int log_on_stderr = 1; |
static int log_on_stderr = 1; |
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/* Log this message (information that usually should go to the log). */ |
/* Log this message (information that usually should go to the log). */ |
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void |
void |
log(const char *fmt,...) |
logit(const char *fmt,...) |
{ |
{ |
va_list args; |
va_list args; |
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va_end(args); |
va_end(args); |
} |
} |
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/* Fatal cleanup */ |
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struct fatal_cleanup { |
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struct fatal_cleanup *next; |
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void (*proc) (void *); |
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void *context; |
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}; |
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static struct fatal_cleanup *fatal_cleanups = NULL; |
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/* Registers a cleanup function to be called by fatal() before exiting. */ |
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void |
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fatal_add_cleanup(void (*proc) (void *), void *context) |
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{ |
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struct fatal_cleanup *cu; |
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cu = xmalloc(sizeof(*cu)); |
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cu->proc = proc; |
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cu->context = context; |
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cu->next = fatal_cleanups; |
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fatal_cleanups = cu; |
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} |
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/* Removes a cleanup frunction to be called at fatal(). */ |
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void |
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fatal_remove_cleanup(void (*proc) (void *context), void *context) |
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{ |
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struct fatal_cleanup **cup, *cu; |
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for (cup = &fatal_cleanups; *cup; cup = &cu->next) { |
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cu = *cup; |
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if (cu->proc == proc && cu->context == context) { |
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*cup = cu->next; |
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xfree(cu); |
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return; |
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} |
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} |
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fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx", |
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(u_long) proc, (u_long) context); |
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} |
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/* Remove all cleanups, to be called after fork() */ |
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void |
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fatal_remove_all_cleanups(void) |
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{ |
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struct fatal_cleanup *cu, *next_cu; |
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for (cu = fatal_cleanups; cu; cu = next_cu) { |
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next_cu = cu->next; |
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xfree(cu); |
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} |
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fatal_cleanups = NULL; |
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} |
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/* Cleanup and exit */ |
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void |
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fatal_cleanup(void) |
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{ |
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struct fatal_cleanup *cu, *next_cu; |
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static int called = 0; |
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if (called) |
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exit(255); |
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called = 1; |
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/* Call cleanup functions. */ |
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for (cu = fatal_cleanups; cu; cu = next_cu) { |
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next_cu = cu->next; |
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debug("Calling cleanup 0x%lx(0x%lx)", |
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(u_long) cu->proc, (u_long) cu->context); |
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(*cu->proc) (cu->context); |
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} |
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exit(255); |
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} |
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/* |
/* |
* Initialize the log. |
* Initialize the log. |
*/ |
*/ |
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void |
void |
do_log(LogLevel level, const char *fmt, va_list args) |
do_log(LogLevel level, const char *fmt, va_list args) |
{ |
{ |
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struct syslog_data sdata = SYSLOG_DATA_INIT; |
char msgbuf[MSGBUFSIZ]; |
char msgbuf[MSGBUFSIZ]; |
char fmtbuf[MSGBUFSIZ]; |
char fmtbuf[MSGBUFSIZ]; |
char *txt = NULL; |
char *txt = NULL; |
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} else { |
} else { |
vsnprintf(msgbuf, sizeof(msgbuf), fmt, args); |
vsnprintf(msgbuf, sizeof(msgbuf), fmt, args); |
} |
} |
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strnvis(fmtbuf, msgbuf, sizeof(fmtbuf), VIS_SAFE|VIS_OCTAL); |
if (log_on_stderr) { |
if (log_on_stderr) { |
fprintf(stderr, "%s\r\n", msgbuf); |
snprintf(msgbuf, sizeof msgbuf, "%s\r\n", fmtbuf); |
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write(STDERR_FILENO, msgbuf, strlen(msgbuf)); |
} else { |
} else { |
openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility); |
openlog_r(argv0 ? argv0 : __progname, LOG_PID, log_facility, &sdata); |
syslog(pri, "%.500s", msgbuf); |
syslog_r(pri, &sdata, "%.500s", fmtbuf); |
closelog(); |
closelog_r(&sdata); |
} |
} |
} |
} |