diff options
Diffstat (limited to 'src/base/io/ungetc.c')
-rw-r--r-- | src/base/io/ungetc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/base/io/ungetc.c b/src/base/io/ungetc.c new file mode 100644 index 0000000..201ffd6 --- /dev/null +++ b/src/base/io/ungetc.c @@ -0,0 +1,13 @@ +#include "internal.h" + +int +io·ungetc(io·Header *io) +{ + if(io->state == io·BufEnd) + io->state = io·BufRdr; + if(io->state != io·BufRdr) + return io·BufEof; + + io->ilen--; + return 0; +} |