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Aging

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rupa committed 2013-12-25 13:30:46 -05:00
1 parent e1c2c3d719
commit 2a8351195e
1 file changed
+30 -5
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z_prompt_command.c
+30 -5
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@@ -12,11 +12,16 @@ int main(int __unused argc, char **argv) {
if (argv[1] == NULL) return EXIT_FAILURE;
static const float MULTIPLIER = 0.99;
static const int RANK_SUM_MAX = 6000;
char * _Z_DATA;
char datafile[PATH_MAX];
char tmpfile[PATH_MAX];
char agedfile[PATH_MAX];
FILE *read;
FILE *write;
FILE *aged;
char line[LINE_MAX];
char pth[PATH_MAX];
float rank;
@@ -24,6 +29,7 @@ int main(int __unused argc, char **argv) {
struct stat s;
time_t epoch = time(NULL);
int found = 0;
float rank_sum = 0;
// Don't track $HOME
if (strcmp(argv[1], getenv("HOME")) == 0) return EXIT_SUCCESS;
@@ -45,26 +51,45 @@ int main(int __unused argc, char **argv) {
if (read == NULL) return EXIT_FAILURE;
srand(time(NULL));
sprintf(tmpfile, "%s.%d", datafile, rand());
write = fopen(tmpfile, "w");
if (write == NULL) return EXIT_FAILURE;
// TODO Aging
sprintf(agedfile, "%s.%d", datafile, rand());
aged = fopen(agedfile, "w");
if (aged == NULL) return EXIT_FAILURE;
while (fgets(line, sizeof line, read) != NULL) {
sscanf(line, "%[^|]|%f|%d\n", pth, &rank, &timestamp);
if (stat(pth, &s) == 0 && s.st_mode & S_IFDIR ) {
rank_sum += rank;
if (strcmp(pth, argv[1]) == 0) {
fprintf(write, "%s|%f|%d\n", pth, rank + 1, (int) epoch);
fprintf(aged, "%s|%f|%d\n", pth, rank * 1, (int) epoch);
found = 1;
} else if (rank >= 1) fprintf(write, "%s", line);
} else if (rank >= 1) {
fprintf(write, "%s", line);
fprintf(aged, "%s|%f|%d\n", pth, rank * MULTIPLIER, timestamp);
}
}
}
if (!found) fprintf(write, "%s|1|%d\n", argv[1], (int) epoch);
if (!found) {
fprintf(write, "%s|1|%d\n", argv[1], (int) epoch);
fprintf(aged, "%s|1|%d\n", argv[1], (int) epoch);
}
fclose(read);
fclose(write);
fclose(aged);
if (rename(tmpfile, datafile) == 0) return EXIT_SUCCESS;
if (rank_sum > RANK_SUM_MAX) {
if (rename(agedfile, datafile) != 0) return EXIT_FAILURE;
if (unlink(tmpfile) != 0) return EXIT_FAILURE;
} else {
if (rename(tmpfile, datafile) != 0) return EXIT_FAILURE;
if (unlink(agedfile) != 0) return EXIT_FAILURE;
}
return EXIT_FAILURE;
return EXIT_SUCCESS;
}