portbash/strings.sh

   1 #! /bin/sh
   2 CC=cc
   3 export CC
   4
   5 if [ -f /usr/include/string.h ]; then
   6         STRINGH='<string.h>'
   7 elif [ -f /usr/include/strings.h ]; then
   8         STRINGH='<strings.h>'
   9 else
  10         exit 1
  11 fi
  12
  13 cat > x.c << EOF
  14 #include $STRINGH
  15
  16 #ifndef strchr
  17 extern char *strchr();
  18 #endif
  19
  20 char *x = "12345";
  21
  22 main()
  23 {
  24         char    *s;
  25
  26         s = strchr(x, '2');
  27         if (s)
  28                 exit(0);
  29         exit(1);
  30 }
  31 EOF
  32
  33 if ${CC} x.c >/dev/null 2>&1
  34 then
  35         if ./a.out
  36         then
  37                 echo '#define HAVE_STRCHR'
  38         fi
  39 fi
  40
  41 rm -f x.c x.o a.out
  42
  43 cat > x.c << EOF
  44 extern char *strerror();
  45
  46 main()
  47 {
  48         char    *s;
  49
  50         s = strerror(2);
  51         if (s)
  52                 exit(0);
  53         exit(1);
  54 }
  55 EOF
  56
  57 if ${CC} x.c >/dev/null 2>&1
  58 then
  59         if ./a.out
  60         then
  61                 echo '#define HAVE_STRERROR'
  62         fi
  63 fi
  64
  65 rm -f x.c x.o a.out
  66
  67
  68 cat > x.c << EOF
  69
  70 main()
  71 {
  72         if (strcasecmp("abc", "AbC") == 0)
  73                 exit(0);
  74         exit(1);
  75 }
  76 EOF
  77
  78 if ${CC} x.c >/dev/null 2>&1
  79 then
  80         if ./a.out
  81         then
  82                 echo '#define HAVE_STRCASECMP'
  83         fi
  84 fi
  85
  86 rm -f x.c x.o a.out
  87 exit 0