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authorDan McGee <dan@archlinux.org>2008-06-15 19:15:36 -0500
committerDan McGee <dan@archlinux.org>2008-06-15 22:52:27 -0500
commit29bf6814f74096e5d8ea22058e638eb362717b8a (patch)
tree1b608ba8071c1c7e52808a4b178ba8225ef6d2b1 /src/util
parent7ff5a917fd0a91cd03ba61419a57053e4ae17e92 (diff)
Use access() instead of stat() when possible
We were using the stat() system call in quite a few places when we didn't actually need anything the stat struct returned- we were simply checking for file existence. access() will be more efficient in those cases. Before (strace pacman -Ss pacman): % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 33.16 0.005987 0 19016 stat64 After: % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 34.85 0.003863 0 12633 1 access 7.95 0.000881 0 6391 7 stat64 Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'src/util')
-rw-r--r--src/util/testdb.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/src/util/testdb.c b/src/util/testdb.c
index f354ecab..87bfcf96 100644
--- a/src/util/testdb.c
+++ b/src/util/testdb.c
@@ -23,7 +23,6 @@
#include <errno.h>
#include <limits.h>
#include <string.h>
-#include <sys/stat.h>
#include <dirent.h>
#include <libgen.h>
@@ -61,7 +60,6 @@ static int db_test(char *dbpath)
{
struct dirent *ent;
char path[PATH_MAX];
- struct stat buf;
int ret = 0;
DIR *dir;
@@ -77,17 +75,17 @@ static int db_test(char *dbpath)
}
/* check for desc, depends, and files */
snprintf(path, PATH_MAX, "%s/%s/desc", dbpath, ent->d_name);
- if(stat(path, &buf)) {
+ if(access(path, F_OK)) {
printf("%s: description file is missing\n", ent->d_name);
ret++;
}
snprintf(path, PATH_MAX, "%s/%s/depends", dbpath, ent->d_name);
- if(stat(path, &buf)) {
+ if(access(path, F_OK)) {
printf("%s: dependency file is missing\n", ent->d_name);
ret++;
}
snprintf(path, PATH_MAX, "%s/%s/files", dbpath, ent->d_name);
- if(stat(path, &buf)) {
+ if(access(path, F_OK)) {
printf("%s: file list is missing\n", ent->d_name);
ret++;
}