60 lines
865 B
C
60 lines
865 B
C
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/* getcwd.c
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Replacement for the getcwd function that just calls /bin/pwd. */
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#include "uucp.h"
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#include "sysdep.h"
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#include <errno.h>
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char *
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getcwd (zbuf, cbuf)
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char *zbuf;
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size_t cbuf;
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{
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const char *azargs[2];
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FILE *e;
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pid_t ipid;
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int cread;
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int ierr;
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azargs[0] = PWD_PROGRAM;
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azargs[1] = NULL;
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e = espopen (azargs, TRUE, &ipid);
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if (e == NULL)
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return NULL;
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ierr = 0;
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cread = fread (zbuf, sizeof (char), cbuf, e);
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if (cread == 0)
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ierr = errno;
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(void) fclose (e);
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if (ixswait ((unsigned long) ipid, (const char *) NULL) != 0)
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{
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ierr = EACCES;
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cread = 0;
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}
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if (cread != 0)
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{
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if (zbuf[cread - 1] == '\n')
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zbuf[cread - 1] = '\0';
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else
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{
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ierr = ERANGE;
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cread = 0;
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}
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}
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if (cread == 0)
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{
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errno = ierr;
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return NULL;
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}
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return zbuf;
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}
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