This source file includes following definitions.
- vfprintf
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17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
20
21
22 #include <stdio.h>
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24 #include <errno.h>
25 #include <limits.h>
26 #include <stdarg.h>
27 #include <stdlib.h>
28
29 #include "fseterr.h"
30 #include "vasnprintf.h"
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35 int
36 vfprintf (FILE *fp, const char *format, va_list args)
37 {
38 char buf[2000];
39 char *output;
40 size_t len;
41 size_t lenbuf = sizeof (buf);
42
43 output = vasnprintf (buf, &lenbuf, format, args);
44 len = lenbuf;
45
46 if (!output)
47 {
48 fseterr (fp);
49 return -1;
50 }
51
52 if (fwrite (output, 1, len, fp) < len)
53 {
54 if (output != buf)
55 free (output);
56 return -1;
57 }
58
59 if (output != buf)
60 free (output);
61
62 if (len > INT_MAX)
63 {
64 errno = EOVERFLOW;
65 fseterr (fp);
66 return -1;
67 }
68
69 return len;
70 }