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dummy update

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This commit is contained in:
zolliker
2004-11-18 14:35:36 +00:00
parent 8b56a43597
commit 32be0cbcd1
1 changed files with 25 additions and 12 deletions
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37
logger.c
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@ -22,6 +22,7 @@ struct Logger {
char old[132]; char old[132];
int period; int period;
time_t last; time_t last;
long pos;
}; };
static char *dir = NULL; static char *dir = NULL;
@ -34,6 +35,7 @@ void LoggerWrite(Logger *log, time_t now, int period, char *value) {
int l; int l;
int newday; int newday;
FILE *fil; FILE *fil;
long pos;
if (dir == NULL) return; if (dir == NULL) return;
if (now == 0) { if (now == 0) {
@ -44,36 +46,46 @@ void LoggerWrite(Logger *log, time_t now, int period, char *value) {
tm = localtime(&now); tm = localtime(&now);
if (tm->tm_yday != yday) { if (tm->tm_yday != yday) {
log->period = 0; log->period = 0;
} else if (0 == strncmp(value, log->old, sizeof(log->old))) { /* value has not changed */
return;
} }
log->last = now; log->last = now;
snprintf(path, sizeof path, "%s/%s/", dir, log->name); snprintf(path, sizeof path, "%s/%s/", dir, log->name);
l = strlen(path); l = strlen(path);
strftime(path + l, sizeof path - l, "%m-%d.log", tm); strftime(path + l, sizeof path - l, "%m-%d.log", tm);
fil = fopen(path, "a+");
if (fil == NULL) return;
fseek(fil, 0, SEEK_SET);
fgets(buf, sizeof buf, fil);
strftime(stim, sizeof stim, "#%Y-%m-%d %H:%M:%S\n", tm); strftime(stim, sizeof stim, "#%Y-%m-%d %H:%M:%S\n", tm);
if (0 != strncmp(buf, stim, 11)) { fil = fopen(path, "r+");
fclose(fil); if (fil == NULL) { /* create new file */
fil=fopen(path, "w+"); /* overwrite old logfile */ fil = fopen(path, "w+");
if (fil == NULL) return; if (fil == NULL) return;
fputs(stim, fil); fputs(stim, fil);
} else { } else { /* check if file is actual */
fseek(fil, 0, SEEK_END); /* set position to end */ fgets(buf, sizeof buf, fil);
if (0 != strncmp(buf, stim, 11)) {
fclose(fil);
fil=fopen(path, "w+"); /* overwrite old logfile */
if (fil == NULL) return;
fputs(stim, fil);
} else {
fseek(fil, 0, SEEK_END); /* set position to end */
}
} }
if (period != log->period) { if (period != log->period) {
log->period = period; log->period = period;
snprintf(buf, sizeof buf, "\t%d", period); snprintf(buf, sizeof buf, "\t%d", period);
log->pos = 0;
} else { } else {
buf[0]='\0'; buf[0]='\0';
} }
if (log->pos > 0) {
fseek(fil, log->pos, SEEK_SET);
}
log->pos = ftell(fil);
strftime(stim, sizeof stim,"%H:%M:%S", tm); strftime(stim, sizeof stim,"%H:%M:%S", tm);
fprintf(fil, "%s\t%s%s\n", stim, value, buf); fprintf(fil, "%s\t%s%s\n", stim, value, buf);
if (0 != strncmp(value, log->old, sizeof(log->old)) || buf[0]!='\0') { /* value has changed */
log->pos = ftell(fil); /* next time append to the end */
}
l = strlen(value); l = strlen(value);
if (l >= sizeof(log->old)) { if (l >= sizeof(log->old)) {
l = sizeof(log->old) - 1; l = sizeof(log->old) - 1;
@ -126,6 +138,7 @@ Logger *LoggerMake(char *name, int period) {
log->period = 0; log->period = 0;
log->old[0] = '\0'; log->old[0] = '\0';
log->last = 0; log->last = 0;
log->pos = 0;
LoggerWrite(log, time(NULL) - 1, period, ""); LoggerWrite(log, time(NULL) - 1, period, "");
return log; return log;
} }