X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=userv.git;a=blobdiff_plain;f=lib.c;h=1352afa24d74fedcf48c2f369ebda1187f5ec33e;hp=6c3cd0aff62924cd3e98449ae30616b54ce164a4;hb=1a6d1b28a51911483a6fb2b476028c3b3c1f48c8;hpb=9f56f874416db295bdb50d448bd99cdd34db969d

diff --git a/lib.c b/lib.c
index 6c3cd0a..1352afa 100644
--- a/lib.c
+++ b/lib.c
@@ -2,7 +2,7 @@
  * userv - lib.c
  * useful utility routines, used in daemon, but not very dependent on it
  *
- * Copyright (C)1996-1997 Ian Jackson
+ * Copyright (C)1996-1997,1999 Ian Jackson
  *
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
@@ -25,9 +25,13 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
+#include <assert.h>
+#include <sys/types.h>
 
 #include "config.h"
+#include "common.h"
 #include "lib.h"
+#include "both.h"
 
 char *xstrcat3save(const char *a, const char *b, const char *c) {
   char *r;
@@ -39,14 +43,6 @@ char *xstrcat3save(const char *a, const char *b, const char *c) {
   return r;
 }
 
-char *xstrsave(const char *s) {
-  char *r;
-
-  r= xmalloc(strlen(s)+1);
-  strcpy(r,s);
-  return r;
-}
-
 char *xstrsubsave(const char *begin, int len) {
   char *r;
   
@@ -56,21 +52,12 @@ char *xstrsubsave(const char *begin, int len) {
   return r;
 }
 
-void *xmalloc(size_t s) {
-  void *p;
-  p= malloc(s?s:1); if (!p) syscallerror("malloc");
-  return p;
-}
-
-void *xrealloc(void *p, size_t s) {
-  p= realloc(p,s); if (!p) syscallerror("realloc");
-  return p;
-}
-
-void makeroom(char **buffer, int *size, int needed) {
-  if (*size >= needed) return;
+int makeroom(char **buffer, int *size, int needed) {
+  if (needed > MAX_GENERAL_STRING) return -1;
+  if (*size >= needed) return 0;
   *buffer= xrealloc(*buffer,needed);
   *size= needed;
+  return 0;
 }
 
 void vsnyprintf(char *buffer, size_t size, const char *fmt, va_list al) {
@@ -108,3 +95,15 @@ void snytprintfcat(char *buffer, size_t size, const char *fmt, ...) {
   vsnytprintfcat(buffer,size,fmt,al);
   va_end(al);
 }
+
+#ifndef HAVE_SETENV
+int setenv(const char *name, const char *value, int overwrite) {
+  char *buffer= 0;
+  
+  assert(overwrite==1);
+  buffer= xmalloc(strlen(name)+strlen(value)+2);
+
+  sprintf(buffer,"%s=%s",name,value);
+  return putenv(buffer);
+}
+#endif /* HAVE_SETENV */