| 222 | } |
| 223 | |
| 224 | static int my_asprintf(char **strp, const char *fmt, ...) |
| 225 | { |
| 226 | va_list ap; |
| 227 | ssize_t bufsize; |
| 228 | char *buffer; |
| 229 | |
| 230 | /* Get the size of the buffer */ |
| 231 | |
| 232 | va_start(ap, fmt); |
| 233 | bufsize = vsnprintf(NULL, 0, fmt, ap); |
| 234 | va_end(ap); |
| 235 | |
| 236 | if (bufsize <= 0) |
| 237 | { |
| 238 | fprintf(stderr, "ERROR: vsnprintf() failed.\n"); |
| 239 | exit (EXIT_FAILURE); |
| 240 | } |
| 241 | |
| 242 | buffer = malloc(bufsize + 1); |
| 243 | if (buffer == NULL) |
| 244 | { |
| 245 | fprintf(stderr, "ERROR: Failed allocated vsnprintf() buffer.\n"); |
| 246 | exit (EXIT_FAILURE); |
| 247 | } |
| 248 | |
| 249 | va_start(ap, fmt); |
| 250 | vsnprintf(buffer, bufsize + 1, fmt, ap); |
| 251 | va_end(ap); |
| 252 | |
| 253 | *strp = buffer; |
| 254 | return bufsize; |
| 255 | } |
| 256 | |
| 257 | /**************************************************************************** |
| 258 | * Public Functions |