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file: create directory if does not exist yet

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This commit is contained in:
Steffen Vogel 2018-10-20 15:13:29 +02:00
parent 139ca2a3f8
commit ed27d25823
1 changed files with 16 additions and 0 deletions
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16
lib/nodes/file.c
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@ -23,6 +23,8 @@
#include <unistd.h>
#include <string.h>
#include <inttypes.h>
#include <libgen.h>
#include <sys/stat.h>
#include <villas/nodes/file.h>
#include <villas/utils.h>
@ -210,6 +212,20 @@ int file_start(struct node *n)
/* Prepare file name */
f->uri = file_format_name(f->uri_tmpl, &now);
/* Check if directory exists */
struct stat sb;
char *dir = dirname(f->uri);
ret = stat(dir, &sb);
if (ret)
serror("Failed to stat");
if (!S_ISDIR(sb.st_mode)) {
ret = mkdir(dir, 0644);
if (ret)
serror("Failed to create directory");
}
/* Open file */
flags = SAMPLE_HAS_ALL;
if (f->flush)