| wbuf.c (333fc21e3cd79bca0c94d7722c5a56cb5ad078d1) | wbuf.c (e74101e4eff767325553039def89de70b70f36d3) |
|---|---|
| 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 55 unchanged lines hidden (view full) --- 64 * If we did not do this, a sufficient number of putc() 65 * calls might wrap _w from negative to positive. 66 */ 67 fp->_w = fp->_lbfsize; 68 if (cantwrite(fp)) 69 return (EOF); 70 c = (unsigned char)c; 71 | 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 55 unchanged lines hidden (view full) --- 64 * If we did not do this, a sufficient number of putc() 65 * calls might wrap _w from negative to positive. 66 */ 67 fp->_w = fp->_lbfsize; 68 if (cantwrite(fp)) 69 return (EOF); 70 c = (unsigned char)c; 71 |
| 72 ORIENT(fp, -1); 73 |
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| 72 /* 73 * If it is completely full, flush it out. Then, in any case, 74 * stuff c into the buffer. If this causes the buffer to fill 75 * completely, or if c is '\n' and the file is line buffered, 76 * flush it (perhaps a second time). The second flush will always 77 * happen on unbuffered streams, where _bf._size==1; fflush() 78 * guarantees that putc() will always call wbuf() by setting _w 79 * to 0, so we need not do anything else. --- 14 unchanged lines hidden --- | 74 /* 75 * If it is completely full, flush it out. Then, in any case, 76 * stuff c into the buffer. If this causes the buffer to fill 77 * completely, or if c is '\n' and the file is line buffered, 78 * flush it (perhaps a second time). The second flush will always 79 * happen on unbuffered streams, where _bf._size==1; fflush() 80 * guarantees that putc() will always call wbuf() by setting _w 81 * to 0, so we need not do anything else. --- 14 unchanged lines hidden --- |