This source file includes following definitions.
- dprintf
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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 "full-write.h"
30 #include "vasnprintf.h"
31
32 int
33 dprintf (int fd, const char *format, ...)
34 {
35 char buf[2000];
36 char *output;
37 size_t len;
38 size_t lenbuf = sizeof (buf);
39 va_list args;
40
41 va_start (args, format);
42 output = vasnprintf (buf, &lenbuf, format, args);
43 len = lenbuf;
44 va_end (args);
45
46 if (!output)
47 return -1;
48
49 if (full_write (fd, output, len) < len)
50 {
51 if (output != buf)
52 free (output);
53 return -1;
54 }
55
56 if (output != buf)
57 free (output);
58
59 if (len > INT_MAX)
60 {
61 errno = EOVERFLOW;
62 return -1;
63 }
64
65 return len;
66 }