diff options
Diffstat (limited to 'src/common/lock.c')
| -rw-r--r-- | src/common/lock.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/common/lock.c b/src/common/lock.c index 643b86e5c..a4bcc7fe0 100644 --- a/src/common/lock.c +++ b/src/common/lock.c @@ -25,7 +25,7 @@ FILE* lock_fopen (const char* filename, int *info) { // 安全なファイル名を得る（手抜き） do { - sprintf(newfile, "%s_%04d.tmp", filename, ++no); + snprintf(newfile, sizeof newfile, "%s_%04d.tmp", filename, ++no); } while(exists(newfile) && no < 9999); *info = no; return fopen(newfile,"w"); @@ -38,8 +38,8 @@ int lock_fclose (FILE *fp, const char* filename, int *info) { char oldfile[512]; if (fp != NULL) { ret = fclose(fp); - sprintf(newfile, "%s_%04d.tmp", filename, *info); - sprintf(oldfile, "%s.bak", filename); // old backup file + snprintf(newfile, sizeof newfile, "%s_%04d.tmp", filename, *info); + snprintf(oldfile, sizeof oldfile, "%s.bak", filename); // old backup file if (exists(oldfile)) remove(oldfile); // remove backup file if it already exists rename (filename, oldfile); // backup our older data instead of deleting it |