diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libstdio/fputc_unlocked.c')
-rw-r--r-- | mdk-stage1/dietlibc/libstdio/fputc_unlocked.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libstdio/fputc_unlocked.c b/mdk-stage1/dietlibc/libstdio/fputc_unlocked.c new file mode 100644 index 000000000..6441c5741 --- /dev/null +++ b/mdk-stage1/dietlibc/libstdio/fputc_unlocked.c @@ -0,0 +1,20 @@ +#include <dietstdio.h> +#include <unistd.h> + +int fputc_unlocked(int c, FILE *stream) { + if (__fflush4(stream,0)) return EOF; + if (stream->bm>=stream->buflen-1) + if (fflush(stream)) return EOF; + if (stream->flags&NOBUF) { + if (write(stream->fd,&c,1) != 1) return EOF; + return 0; + } + stream->buf[stream->bm]=c; + ++stream->bm; + if (((stream->flags&BUFLINEWISE) && c=='\n') || + ((stream->flags&NOBUF))) /* puke */ + if (fflush(stream)) return EOF; + return 0; +} + +int fputc(int c,FILE* stream) __attribute__((weak,alias("fputc_unlocked"))); |