101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <fcntl.h>
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#include <syslog.h>
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#include <unistd.h>
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#define SYSLOG_MAX 10 /* Max syslog lines written per invocation */
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static char *prog_prefix = "mmscd: ";
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static int SilentEnable;
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static int syslog_lines;
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static int debug_fd;
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void debug_enable(char *filename)
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{
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if (filename == 0) {
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if (debug_fd)
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close(debug_fd);
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debug_fd = 0;
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} else if ((debug_fd = open(filename,
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O_CREAT | O_TRUNC | O_WRONLY, 0666)) < 0) {
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fprintf(stderr, "Could not open %s for debug output\n", filename);
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exit(1);
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}
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}
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void silent_enable(int flag)
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{
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SilentEnable = flag;
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}
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void debug(char *fmt, ...)
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{
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va_list ap;
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char buf[256];
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if (debug_fd) {
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va_start(ap,fmt);
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strcpy(buf, "debug: ");
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vsprintf(buf + strlen(buf), fmt, ap);
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#if 0
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syslog(LOG_DEBUG, buf); /* Too much for this */
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#else
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write(debug_fd, buf, strlen(buf));
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#endif
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}
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}
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void warning(char *fmt, ...)
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{
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va_list ap;
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char buf[256];
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if (! SilentEnable) {
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va_start(ap,fmt);
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strcpy(buf, "warning: ");
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vsprintf(buf + strlen(buf), fmt, ap);
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if (debug_fd) {
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write(debug_fd, prog_prefix, strlen(prog_prefix));
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write(debug_fd, buf, strlen(buf));
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}
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if (syslog_lines++ < SYSLOG_MAX)
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syslog(LOG_WARNING, buf);
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}
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}
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void fatal(char *fmt, ...)
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{
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va_list ap;
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char buf[256];
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extern void cleanup(void);
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va_start(ap,fmt);
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strcpy(buf, "fatal: ");
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vsprintf(buf + strlen(buf), fmt, ap);
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if (debug_fd) {
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write(debug_fd, prog_prefix, strlen(prog_prefix));
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write(debug_fd, buf, strlen(buf));
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}
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if (syslog_lines++ < SYSLOG_MAX)
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syslog(LOG_ERR, buf);
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cleanup();
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exit(1);
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}
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void perr(char *fmt, ...)
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{
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va_list ap;
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va_start(ap,fmt);
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fputs(prog_prefix, stderr);
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vfprintf(stderr, fmt, ap);
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}
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