| 1 | #include <stdarg.h> |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include "oslib/asprintf.h" |
| 5 | |
| 6 | #ifndef CONFIG_HAVE_VASPRINTF |
| 7 | int vasprintf(char **strp, const char *fmt, va_list ap) |
| 8 | { |
| 9 | va_list ap_copy; |
| 10 | char *str; |
| 11 | int len; |
| 12 | |
| 13 | #ifdef va_copy |
| 14 | va_copy(ap_copy, ap); |
| 15 | #else |
| 16 | __va_copy(ap_copy, ap); |
| 17 | #endif |
| 18 | len = vsnprintf(NULL, 0, fmt, ap_copy); |
| 19 | va_end(ap_copy); |
| 20 | |
| 21 | if (len < 0) |
| 22 | return len; |
| 23 | |
| 24 | len++; |
| 25 | str = malloc(len); |
| 26 | *strp = str; |
| 27 | return str ? vsnprintf(str, len, fmt, ap) : -1; |
| 28 | } |
| 29 | #endif |
| 30 | |
| 31 | #ifndef CONFIG_HAVE_ASPRINTF |
| 32 | int asprintf(char **strp, const char *fmt, ...) |
| 33 | { |
| 34 | va_list arg; |
| 35 | int done; |
| 36 | |
| 37 | va_start(arg, fmt); |
| 38 | done = vasprintf(strp, fmt, arg); |
| 39 | va_end(arg); |
| 40 | |
| 41 | return done; |
| 42 | } |
| 43 | #endif |