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s3:lib: Change file_modtime() to return an error code and a struct timespec.

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Removes need for external stat() code when checking for timechange.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Jan 27 08:30:35 UTC 2023 on atb-devel-224
This commit is contained in:
Jeremy Allison 2023-01-26 09:39:10 -08:00 committed by Andreas Schneider
parent 96154a26fe
commit 7e0eb0f31a
4 changed files with 43 additions and 22 deletions
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10
lib/param/loadparm.c
View File

@ -1009,8 +1009,6 @@ void add_to_file_list(TALLOC_CTX *mem_ctx, struct file_lists **list,
const char *fname, const char *subfname)
{
struct file_lists *f = *list;
struct stat sb = {0};
int rc;
while (f) {
if (f->name && !strcmp(f->name, fname))
@ -1036,12 +1034,8 @@ void add_to_file_list(TALLOC_CTX *mem_ctx, struct file_lists **list,
*list = f;
}
rc = stat(subfname, &sb);
if (rc != 0) {
return;
}
f->modtime = get_mtimespec(&sb);
/* If file_modtime() fails it leaves f->modtime as zero. */
(void)file_modtime(subfname, &f->modtime);
return;
fail:

18
lib/smbconf/smbconf_txt.c
View File

@ -184,12 +184,23 @@ static sbcErr smbconf_txt_load_file(struct smbconf_ctx *ctx)
{
sbcErr err;
uint64_t new_csn;
int rc;
struct timespec mt = {0};
if (!file_exist(ctx->path)) {
return SBC_ERR_BADFILE;
}
new_csn = (uint64_t)file_modtime(ctx->path);
rc = file_modtime(ctx->path, &mt);
if (rc != 0) {
/*
* Not worth mapping errno returned
* in rc to SBC_ERR_XXX. Just assume
* access denied.
*/
return SBC_ERR_ACCESS_DENIED;
}
new_csn = (uint64_t)mt.tv_sec;
if (new_csn == pd(ctx)->csn) {
return SBC_ERR_OK;
}
@ -275,11 +286,14 @@ static void smbconf_txt_get_csn(struct smbconf_ctx *ctx,
struct smbconf_csn *csn,
const char *service, const char *param)
{
struct timespec mt = {0};
if (csn == NULL) {
return;
}
csn->csn = (uint64_t)file_modtime(ctx->path);
(void)file_modtime(ctx->path, &mt);
csn->csn = (uint64_t)mt.tv_sec;
}
/**

12
lib/util/samba_util.h
View File

@ -441,9 +441,15 @@ _PUBLIC_ int create_unlink_tmp(const char *dir);
_PUBLIC_ bool file_exist(const char *fname);
/**
Check a files mod time.
**/
_PUBLIC_ time_t file_modtime(const char *fname);
* @brief Return a files modification time.
*
* @param fname The name of the file.
*
* @param mt A pointer to store the modification time.
*
* @return 0 on success, errno otherwise.
*/
_PUBLIC_ int file_modtime(const char *fname, struct timespec *mt);
/**
Check if a directory exists.

25
lib/util/util.c
View File

@ -116,17 +116,24 @@ _PUBLIC_ bool file_exist(const char *fname)
}
/**
Check a files mod time.
**/
_PUBLIC_ time_t file_modtime(const char *fname)
* @brief Return a files modification time.
*
* @param fname The name of the file.
*
* @param mt A pointer to store the modification time.
*
* @return 0 on success, errno otherwise.
*/
_PUBLIC_ int file_modtime(const char *fname, struct timespec *mt)
{
struct stat st;
if (stat(fname,&st) != 0)
return(0);
struct stat st = {0};
return(st.st_mtime);
if (stat(fname, &st) != 0) {
return errno;
}
*mt = get_mtimespec(&st);
return 0;
}
/**