lib/sgetspent.c: sgetspent(): Use NULL instead of 0 to mean a null po…

…inter constant

Signed-off-by: Alejandro Colomar <[email protected]>

lib/sgetspent.c

@@ -14,6 +14,7 @@
 
 #ident "$Id$"
 
+#include <stddef.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <string.h>
@@ -48,7 +49,7 @@ sgetspent(const char *string)
  fprintf (shadow_logfd,
  "%s: Too long passwd entry encountered, file corruption?\n",
  shadow_progname);
- return 0; /* fail if too long */
+ return NULL; /* fail if too long */
  }
  strcpy (spwbuf, string);
 
@@ -78,7 +79,7 @@ sgetspent(const char *string)
 
  if ( ((NULL != cp) && ('\0' != *cp)) ||
  ((i != FIELDS) && (i != OFIELDS)) ) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -99,7 +100,7 @@ sgetspent(const char *string)
  spwd.sp_lstchg = -1;
  } else if ( (getlong(fields[2], &spwd.sp_lstchg) == -1)
  || (spwd.sp_lstchg < 0)) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -110,7 +111,7 @@ sgetspent(const char *string)
  spwd.sp_min = -1;
  } else if ( (getlong(fields[3], &spwd.sp_min) == -1)
  || (spwd.sp_min < 0)) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -121,7 +122,7 @@ sgetspent(const char *string)
  spwd.sp_max = -1;
  } else if ( (getlong(fields[4], &spwd.sp_max) == -1)
  || (spwd.sp_max < 0)) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -146,7 +147,7 @@ sgetspent(const char *string)
  spwd.sp_warn = -1;
  } else if ( (getlong(fields[5], &spwd.sp_warn) == -1)
  || (spwd.sp_warn < 0)) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -158,7 +159,7 @@ sgetspent(const char *string)
  spwd.sp_inact = -1;
  } else if ( (getlong(fields[6], &spwd.sp_inact) == -1)
  || (spwd.sp_inact < 0)) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -170,7 +171,7 @@ sgetspent(const char *string)
  spwd.sp_expire = -1;
  } else if ( (getlong(fields[7], &spwd.sp_expire) == -1)
  || (spwd.sp_expire < 0)) {
- return 0;
+ return NULL;
  }
 
  /*
@@ -181,12 +182,11 @@ sgetspent(const char *string)
  if (fields[8][0] == '\0') {
  spwd.sp_flag = SHADOW_SP_FLAG_UNSET;
  } else if (getulong(fields[8], &spwd.sp_flag) == -1) {
- return 0;
+ return NULL;
  }
 
  return (&spwd);
 }
 #else
 extern int ISO_C_forbids_an_empty_translation_unit;
 #endif
-