summaryrefslogtreecommitdiff
path: root/newlib/libc/stdlib/setenv.c
diff options
context:
space:
mode:
authorPikalaxALT <pikalaxalt@gmail.com>2018-01-03 17:39:24 -0700
committerPikalaxALT <pikalaxalt@gmail.com>2018-01-03 17:39:24 -0700
commita6c1ed4716cf02626ea035beb6dd4a921642ba80 (patch)
treeef582c1b52819e27bdd16097ec03b69799d04ede /newlib/libc/stdlib/setenv.c
parentf6c9a624fa8a6878a7fb2b02f55e4990a20feb59 (diff)
Use libc from agbcc instead of standalone newlib\nYou must have AGBCC commit 80d029caec189587f8b9294b6c8a5a489b8f5f88 in order to compile pmd_red.gbalibc
Diffstat (limited to 'newlib/libc/stdlib/setenv.c')
-rw-r--r--newlib/libc/stdlib/setenv.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/newlib/libc/stdlib/setenv.c b/newlib/libc/stdlib/setenv.c
deleted file mode 100644
index f2adf2f..0000000
--- a/newlib/libc/stdlib/setenv.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* This file may have been modified by DJ Delorie (Jan 1991). If so,
-** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
-** Rochester NH, 03867-2954, USA.
-*/
-
-/*
- * Copyright (c) 1987 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that: (1) source distributions retain this entire copyright
- * notice and comment, and (2) distributions including binaries display
- * the following acknowledgement: ``This product includes software
- * developed by the University of California, Berkeley and its contributors''
- * in the documentation or other materials provided with the distribution
- * and in all advertising materials mentioning features or use of this
- * software. Neither the name of the University nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* _findenv is defined in getenv.c. */
-
-extern char *_findenv _PARAMS ((const char *, int *));
-
-/*
- * setenv --
- * Set the value of the environmental variable "name" to be
- * "value". If rewrite is set, replace any current value.
- */
-
-int
-_DEFUN (setenv, (name, value, rewrite),
- _CONST char *name _AND
- _CONST char *value _AND
- int rewrite)
-{
- extern char **environ;
- static int alloced; /* if allocated space before */
- register char *C;
- int l_value, offset;
-
- if (*value == '=') /* no `=' in value */
- ++value;
- l_value = strlen (value);
- if ((C = _findenv (name, &offset)))
- { /* find if already exists */
- if (!rewrite)
- return 0;
- if (strlen (C) >= l_value)
- { /* old larger; copy over */
- while (*C++ = *value++);
- return 0;
- }
- }
- else
- { /* create new slot */
- register int cnt;
- register char **P;
-
- for (P = environ, cnt = 0; *P; ++P, ++cnt);
- if (alloced)
- { /* just increase size */
- environ = (char **) realloc ((char *) environ,
- (size_t) (sizeof (char *) * (cnt + 2)));
- if (!environ)
- return -1;
- }
- else
- { /* get new space */
- alloced = 1; /* copy old entries into it */
- P = (char **) malloc ((size_t) (sizeof (char *) * (cnt + 2)));
- if (!P)
- return (-1);
- bcopy ((char *) environ, (char *) P, cnt * sizeof (char *));
- environ = P;
- }
- environ[cnt + 1] = NULL;
- offset = cnt;
- }
- for (C = (char *) name; *C && *C != '='; ++C); /* no `=' in name */
- if (!(environ[offset] = /* name + `=' + value */
- malloc ((size_t) ((int) (C - name) + l_value + 2))))
- return -1;
- for (C = environ[offset]; (*C = *name++) && *C != '='; ++C);
- for (*C++ = '='; *C++ = *value++;);
- return 0;
-}
-
-/*
- * unsetenv(name) --
- * Delete environmental variable "name".
- */
-void
-_DEFUN (unsetenv, (name),
- _CONST char *name)
-{
- extern char **environ;
- register char **P;
- int offset;
-
- while (_findenv (name, &offset)) /* if set multiple times */
- for (P = &environ[offset];; ++P)
- if (!(*P = *(P + 1)))
- break;
-}