src/backend/port/nextstep/port.c

   1 /*
   2  * $PostgreSQL$
   3  */
   4 #include "postgres.h"
   5
   6 #ifndef _POSIX_SOURCE
   7 #include "libc.h"
   8 #else
   9 #include <unistd.h>
  10 #endif
  11
  12 #include <sys/signal.h>
  13
  14
  15 void
  16 putenv(char *name)
  17 {
  18         extern char **environ;
  19         static int      was_mallocated = 0;
  20         int                     size;
  21
  22         /* Compute the size of environ array including the final NULL */
  23         for (size = 1; environ[size++];)
  24                  /* nothing */ ;
  25
  26         if (!was_mallocated)
  27         {
  28                 char      **tmp = environ;
  29                 int                     i;
  30
  31                 was_mallocated = 1;
  32                 environ = malloc(size * sizeof(char *));
  33                 for (i = 0; i < size; i++)
  34                         environ[i] = tmp[i];
  35         }
  36
  37         environ = realloc(environ, (size + 1) * sizeof(char *));
  38         environ[size - 1] = strcpy(malloc(strlen(name) + 1), name);
  39         environ[size] = NULL;
  40 }
  41
  42 #ifndef _POSIX_SOURCE
  43 int
  44 sigaddset(int *set, int signo)
  45 {
  46         *set |= sigmask(signo);
  47         return *set;
  48 }
  49
  50 int
  51 sigemptyset(int *set)
  52 {
  53         return *set = 0;
  54 }
  55
  56 char *
  57 getcwd(char *buf, size_t size)
  58 {
  59         return getwd(buf);
  60 }
  61
  62 #endif