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add --prefix option

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This commit is contained in:
fariouche
2016-05-15 15:49:39 +02:00
parent db57db52cf
commit b6b2c756c9
20 changed files with 766 additions and 93 deletions
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19
lib/commonio.c
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@ -375,21 +375,30 @@ bool commonio_present (const struct commonio_db *db)
int commonio_lock_nowait (struct commonio_db *db, bool log)
{
char file[1024];
char lock[1024];
char* file;
char* lock;
size_t lock_file_len;
size_t file_len;
if (db->locked) {
return 1;
}
snprintf (file, sizeof file, "%s.%lu",
file_len = strlen(db->filename) + 11;/* %lu max size */
lock_file_len = strlen(db->filename) + 6; /* sizeof ".lock" */
file = (char*)malloc(file_len);
lock = (char*)malloc(lock_file_len);
snprintf (file, file_len, "%s.%lu",
db->filename, (unsigned long) getpid ());
snprintf (lock, sizeof lock, "%s.lock", db->filename);
snprintf (lock, lock_file_len, "%s.lock", db->filename);
if (do_lock_file (file, lock, log) != 0) {
db->locked = true;
lock_count++;
free(file);
free(lock);
return 1;
}
free(file);
free(lock);
return 0;
}