diff options
Diffstat (limited to 'src/stdio')
-rw-r--r-- | src/stdio/fopen.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/stdio/fopen.c b/src/stdio/fopen.c index 084cc73c..0d5b1af2 100644 --- a/src/stdio/fopen.c +++ b/src/stdio/fopen.c @@ -5,7 +5,6 @@ FILE *fopen(const char *filename, const char *mode) FILE *f; int fd; int flags; - int plus = !!strchr(mode, '+'); /* Check for valid initial mode character */ if (!strchr("rwa", *mode)) { @@ -14,9 +13,10 @@ FILE *fopen(const char *filename, const char *mode) } /* Compute the flags to pass to open() */ - if (plus) flags = O_RDWR; + if (strchr(mode, '+')) flags = O_RDWR; else if (*mode == 'r') flags = O_RDONLY; else flags = O_WRONLY; + if (strchr(mode, 'x')) flags |= O_EXCL; if (*mode != 'r') flags |= O_CREAT; if (*mode == 'w') flags |= O_TRUNC; if (*mode == 'a') flags |= O_APPEND; |