diff options
author | Martin Mares <mj@ucw.cz> | 2008-02-12 09:24:09 +0100 |
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committer | Martin Mares <mj@ucw.cz> | 2008-02-12 09:24:09 +0100 |
commit | 98ccf6d67b6dd95c7471fd4e5a6d6452a62394b9 (patch) | |
tree | 7c8f1968db0c2cd4cf22023a6c51262731416881 /lib/names-cache.c | |
parent | fa1823688adaaf8dc32293b3502da7257cec612c (diff) | |
download | pciutils-98ccf6d67b6dd95c7471fd4e5a6d6452a62394b9.tar.gz |
Settings of the resolving and caching mechanism are now passed as parameters.
Diffstat (limited to 'lib/names-cache.c')
-rw-r--r-- | lib/names-cache.c | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/lib/names-cache.c b/lib/names-cache.c index 73d09a2..dc75835 100644 --- a/lib/names-cache.c +++ b/lib/names-cache.c @@ -21,28 +21,40 @@ static const char cache_version[] = "#PCI-CACHE-1.0"; +static char *get_cache_name(struct pci_access *a) +{ + char *name, *buf; + + name = pci_get_param(a, "net.cache_path"); + if (!name || name[0]) + return NULL; + if (strncmp(name, "~/", 2)) + return name; + + uid_t uid = getuid(); + struct passwd *pw = getpwuid(uid); + if (!pw) + return name; + + buf = pci_malloc(a, strlen(pw->pw_dir) + strlen(name+1) + 1); + sprintf(buf, "%s%s", pw->pw_dir, name+1); + pci_set_param_internal(a, "net.cache_path", buf, 0); + return buf; +} + int pci_id_cache_load(struct pci_access *a, int flags) { char *name; char line[MAX_LINE]; - const char default_name[] = "/.pciids-cache"; FILE *f; int lino; a->id_cache_status = 1; - if (!a->id_cache_file) - { - /* Construct the default ID cache name */ - uid_t uid = getuid(); - struct passwd *pw = getpwuid(uid); - if (!pw) - return 0; - name = pci_malloc(a, strlen(pw->pw_dir) + sizeof(default_name)); - sprintf(name, "%s%s", pw->pw_dir, default_name); - pci_set_id_cache(a, name, 1); - } - a->debug("Using cache %s\n", a->id_cache_file); + name = get_cache_name(a); + if (!name) + return 0; + a->debug("Using cache %s\n", name); if (flags & PCI_LOOKUP_REFRESH_CACHE) { a->debug("Not loading cache, will refresh everything\n"); @@ -50,7 +62,7 @@ pci_id_cache_load(struct pci_access *a, int flags) return 0; } - f = fopen(a->id_cache_file, "rb"); + f = fopen(name, "rb"); if (!f) { a->debug("Cache file does not exist\n"); @@ -88,12 +100,12 @@ pci_id_cache_load(struct pci_access *a, int flags) } } } - a->warning("Malformed cache file %s (line %d), ignoring", a->id_cache_file, lino); + a->warning("Malformed cache file %s (line %d), ignoring", name, lino); break; } if (ferror(f)) - a->warning("Error while reading %s", a->id_cache_file); + a->warning("Error while reading %s", name); fclose(f); return 1; } @@ -105,13 +117,14 @@ pci_id_cache_flush(struct pci_access *a) FILE *f; unsigned int h; struct id_entry *e, *e2; - char hostname[256], *tmpname; + char hostname[256], *tmpname, *name; int this_pid; a->id_cache_status = 0; if (orig_status < 2) return; - if (!a->id_cache_file) + name = get_cache_name(a); + if (!name) return; this_pid = getpid(); @@ -119,17 +132,17 @@ pci_id_cache_flush(struct pci_access *a) hostname[0] = 0; else hostname[sizeof(hostname)-1] = 0; - tmpname = pci_malloc(a, strlen(a->id_cache_file) + strlen(hostname) + 64); - sprintf(tmpname, "%s.tmp-%s-%d", a->id_cache_file, hostname, this_pid); + tmpname = pci_malloc(a, strlen(name) + strlen(hostname) + 64); + sprintf(tmpname, "%s.tmp-%s-%d", name, hostname, this_pid); f = fopen(tmpname, "wb"); if (!f) { - a->warning("Cannot write to %s: %s", a->id_cache_file, strerror(errno)); + a->warning("Cannot write to %s: %s", name, strerror(errno)); pci_mfree(tmpname); return; } - a->debug("Writing cache to %s\n", a->id_cache_file); + a->debug("Writing cache to %s\n", name); fprintf(f, "%s\n", cache_version); for (h=0; h<HASH_SIZE; h++) @@ -156,12 +169,12 @@ pci_id_cache_flush(struct pci_access *a) fflush(f); if (ferror(f)) - a->warning("Error writing %s", a->id_cache_file); + a->warning("Error writing %s", name); fclose(f); - if (rename(tmpname, a->id_cache_file) < 0) + if (rename(tmpname, name) < 0) { - a->warning("Cannot rename %s to %s: %s", tmpname, a->id_cache_status, strerror(errno)); + a->warning("Cannot rename %s to %s: %s", tmpname, name, strerror(errno)); unlink(tmpname); } pci_mfree(tmpname); @@ -188,12 +201,3 @@ pci_id_cache_dirty(struct pci_access *a) if (a->id_cache_status >= 1) a->id_cache_status = 2; } - -void -pci_set_id_cache(struct pci_access *a, char *name, int to_be_freed) -{ - if (a->free_id_cache_file) - free(a->id_cache_file); - a->id_cache_file = name; - a->free_id_cache_file = to_be_freed; -} |