#include "xalloc.h"
-#ifndef HAVE_GET_CURRENT_DIR_NAME
-/*
- Replacement for the GNU get_current_dir_name function:
-
- get_current_dir_name will malloc(3) an array big enough to hold the
- current directory name. If the environment variable PWD is set, and
- its value is correct, then that value will be returned.
-*/
-char *get_current_dir_name(void) {
- size_t size;
- char *buf;
- char *r;
-
- /* Start with 100 bytes. If this turns out to be insufficient to
- contain the working directory, double the size. */
- size = 100;
- buf = xmalloc(size);
-
- errno = 0; /* Success */
- r = getcwd(buf, size);
-
- /* getcwd returns NULL and sets errno to ERANGE if the bufferspace
- is insufficient to contain the entire working directory. */
- while(r == NULL && errno == ERANGE) {
- free(buf);
- size <<= 1; /* double the size */
- buf = xmalloc(size);
- r = getcwd(buf, size);
- }
-
- return buf;
-}
-#endif
-
#ifndef HAVE_ASPRINTF
int asprintf(char **buf, const char *fmt, ...) {
int result;
status = vsnprintf(*buf, len, fmt, aq);
va_end(aq);
- if(status >= 0)
+ if(status >= 0) {
*buf = xrealloc(*buf, status + 1);
+ }
if(status > len - 1) {
len = status;
return status;
}
#endif
-
-#ifndef HAVE_GETTIMEOFDAY
-int gettimeofday(struct timeval *tv, void *tz) {
-#ifdef HAVE_MINGW
- FILETIME ft;
- GetSystemTimeAsFileTime(&ft);
- uint64_t lt = (uint64_t)ft.dwLowDateTime | ((uint64_t)ft.dwHighDateTime << 32);
- lt -= 116444736000000000ULL;
- tv->tv_sec = lt / 10000000;
- tv->tv_usec = (lt / 10) % 1000000;
-#else
-#warning No high resolution time source!
- tv->tv_sec = time(NULL);
- tv->tv_usec = 0;
-#endif
- return 0;
-}
-#endif
-
-#ifndef HAVE_USLEEP
-int usleep(long long usec) {
- struct timeval tv = {usec / 1000000, (usec / 1000) % 1000};
- select(0, NULL, NULL, NULL, &tv);
- return 0;
-}
-#endif