diff options
author | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
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committer | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
commit | a6c1ed4716cf02626ea035beb6dd4a921642ba80 (patch) | |
tree | ef582c1b52819e27bdd16097ec03b69799d04ede /newlib/libc/stdlib/getenv.c | |
parent | f6c9a624fa8a6878a7fb2b02f55e4990a20feb59 (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/getenv.c')
-rw-r--r-- | newlib/libc/stdlib/getenv.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/newlib/libc/stdlib/getenv.c b/newlib/libc/stdlib/getenv.c deleted file mode 100644 index 354eb92..0000000 --- a/newlib/libc/stdlib/getenv.c +++ /dev/null @@ -1,121 +0,0 @@ -/* -FUNCTION -<<getenv>>---look up environment variable - -INDEX - getenv -INDEX - environ - -ANSI_SYNOPSIS - #include <stdlib.h> - char *getenv(const char *<[name]>); - -TRAD_SYNOPSIS - #include <stdlib.h> - char *getenv(<[name]>) - char *<[name]>; - -DESCRIPTION -<<getenv>> searches the list of environment variable names and values -(using the global pointer `<<char **environ>>') for a variable whose -name matches the string at <[name]>. If a variable name matches, -<<getenv>> returns a pointer to the associated value. - -RETURNS -A pointer to the (string) value of the environment variable, or -<<NULL>> if there is no such environment variable. - -PORTABILITY -<<getenv>> is ANSI, but the rules for properly forming names of environment -variables vary from one system to another. - -<<getenv>> requires a global pointer <<environ>>. -*/ - -/* 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 <stdlib.h> -#include <stddef.h> -#include <string.h> - -extern char **environ; - -/* - * _findenv -- - * Returns pointer to value associated with name, if any, else NULL. - * Sets offset to be the offset of the name/value combination in the - * environmental array, for use by setenv(3) and unsetenv(3). - * Explicitly removes '=' in argument name. - * - * This routine *should* be a static; don't use it. - */ - -char * -_DEFUN (_findenv, (name, offset), - register _CONST char *name _AND - int *offset) -{ - register int len; - register char **p; - _CONST char *c; - - /* In some embedded systems, this does not get set. This protects - newlib from dereferencing a bad pointer. */ - if (!environ) - return NULL; - - c = name; - len = 0; - while (*c && *c != '=') - { - c++; - len++; - } - - for (p = environ; *p; ++p) - if (!strncmp (*p, name, len)) - if (*(c = *p + len) == '=') - { - *offset = p - environ; - return (char *) (++c); - } - return NULL; -} - -/* - * getenv -- - * Returns ptr to value associated with name, if any, else NULL. - */ - -char * -_DEFUN (getenv, (name), - _CONST char *name) -{ - int offset; - char *_findenv (); - - return _findenv (name, &offset); -} |