procfs-exepath.c File Reference

#include "uv.h"
#include "internal.h"
#include <stddef.h>
#include <unistd.h>

Go to the source code of this file.

Functions
int	uv_exepath (char *buffer, size_t *size)

Function Documentation

uv_exepath()

int uv_exepath	(	char *	buffer,
		size_t *	size
	)

Definition at line 28 of file procfs-exepath.c.

                                           {
  ssize_t n;
 
  if (buffer == NULL || size == NULL || *size == 0)
    return UV_EINVAL;
 
  n = *size - 1;
  if (n > 0)
    n = readlink("/proc/self/exe", buffer, n);
 
  if (n == -1)
    return UV__ERR(errno);
 
  buffer[n] = '\0';
  *size = n;
 
  return 0;
}

References n, NULL, readlink, and UV__ERR.