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| Source at commit 1308 created 12 years 8 months ago. By meklort, Add a few placeholders for file io | |
|---|---|
| 1 | /*␊ |
| 2 | * vfprintf.c␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <stdio.h>␊ |
| 6 | #include <string.h>␊ |
| 7 | #include <stdarg.h>␊ |
| 8 | #include <unistd.h>␊ |
| 9 | ␊ |
| 10 | #define BUFFER_SIZE␉32768␊ |
| 11 | ␊ |
| 12 | extern size_t _fwrite(const void *buf, size_t count, FILE *f);␊ |
| 13 | ␊ |
| 14 | int vfprintf(FILE * file, const char *format, va_list ap)␊ |
| 15 | {␊ |
| 16 | ␉int rv;␊ |
| 17 | ␉char buffer[BUFFER_SIZE];␊ |
| 18 | ␊ |
| 19 | ␉rv = vsnprintf(buffer, BUFFER_SIZE, format, ap);␊ |
| 20 | ␊ |
| 21 | ␉if (rv < 0)␊ |
| 22 | ␉␉return rv;␊ |
| 23 | ␊ |
| 24 | ␉if (rv > BUFFER_SIZE - 1)␊ |
| 25 | ␉␉rv = BUFFER_SIZE - 1;␊ |
| 26 | ␊ |
| 27 | ␉return _fwrite(buffer, rv, file);␊ |
| 28 | }␊ |
| 29 | |
