diff options
Diffstat (limited to 'lib/libc/stdio/ftell.c')
| -rw-r--r-- | lib/libc/stdio/ftell.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/libc/stdio/ftell.c b/lib/libc/stdio/ftell.c new file mode 100644 index 00000000..c28fe143 --- /dev/null +++ b/lib/libc/stdio/ftell.c @@ -0,0 +1,15 @@ +#include <stdio.h> +#include <limits.h> +#include <errno.h> + +long ftell(FILE *stream) +{ + off_t pos; + + if ((pos = ftello(stream)) > LONG_MAX) { + errno = EOVERFLOW; + return -1; + } + + return pos; +} |
