This source file includes following definitions.
- fprintf
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17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
20
21
22 #include <stdio.h>
23
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 fprintf (FILE *fp, const char *format, ...)
37 {
38 char buf[2000];
39 char *output;
40 size_t len;
41 size_t lenbuf = sizeof (buf);
42 va_list args;
43
44 va_start (args, format);
45 output = vasnprintf (buf, &lenbuf, format, args);
46 len = lenbuf;
47 va_end (args);
48
49 if (!output)
50 {
51 fseterr (fp);
52 return -1;
53 }
54
55 if (fwrite (output, 1, len, fp) < len)
56 {
57 if (output != buf)
58 free (output);
59 return -1;
60 }
61
62 if (output != buf)
63 free (output);
64
65 if (len > INT_MAX)
66 {
67 errno = EOVERFLOW;
68 fseterr (fp);
69 return -1;
70 }
71
72 return len;
73 }