source:
trunk/sys/dietlibc/ungetc.c
@
5
| Last change on this file since 5 was 1, checked in by , 8 years ago | |
|---|---|
| File size: 326 bytes | |
| Line | |
|---|---|
| 1 | #include "dietstdio.h" |
| 2 | |
| 3 | int ungetc_unlocked(int c, FILE *stream) { |
| 4 | if (stream->ungotten || c<0 || c>255) |
| 5 | return EOF; |
| 6 | stream->ungotten=1; |
| 7 | stream->ungetbuf=(unsigned char)c; |
| 8 | stream->flags&=~(ERRORINDICATOR|EOFINDICATOR); |
| 9 | return c; |
| 10 | } |
| 11 | |
| 12 | int ungetc(int c, FILE *stream) __attribute__((weak,alias("ungetc_unlocked"))); |
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