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r18505: add configure checks for telldir() and seekdir()

telldir() is different on older OpenBSD versions
seekdir() is different Tru64

tridge: OpenBSD seems to like this replacement:-)
        while MAC OS 10 gets 134 runtime error:-(
	lets wait what Tru64 will give

metze
This commit is contained in:
Stefan Metzmacher
2006-09-14 08:26:41 +00:00
committed by Gerald (Jerry) Carter
parent 81d9a692c1
commit 1f4e602ff2
3 changed files with 47 additions and 4 deletions

View File

@@ -48,6 +48,7 @@
well. Contact the author.
*/
#include "replace.h"
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
@@ -104,8 +105,6 @@ struct dirent *readdir(DIR *dir)
return de;
}
#define TELLDIR_TAKES_CONST_DIR
#ifdef TELLDIR_TAKES_CONST_DIR
long telldir(const DIR *dir)
#else
@@ -126,7 +125,11 @@ long telldir(DIR *dir)
return d->seekpos + d->ofs;
}
#ifdef SEEKDIR_RETURNS_INT
int seekdir(DIR *dir, long ofs)
#else
void seekdir(DIR *dir, long ofs)
#endif
{
struct dir_buf *d = (struct dir_buf *)dir;
long pos;
@@ -136,6 +139,9 @@ void seekdir(DIR *dir, long ofs)
while (d->ofs < (ofs & (DIR_BUF_SIZE-1))) {
if (readdir(dir) == NULL) break;
}
#ifdef SEEKDIR_RETURNS_INT
return -1;
#endif
}
void rewinddir(DIR *dir)