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Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [stdlib/] [getenv.c] - Diff between revs 39 and 56

Rev 39	Rev 56
Line 76...	Line 76...
`char *`	`char *`
`_DEFUN (_findenv, (name, offset),`	`_DEFUN (_findenv, (name, offset),`
`register _CONST char *name _AND`	`register _CONST char *name _AND`
`int *offset)`	`int *offset)`
`{`	`{`
`register int len;`	`return _findenv_r (_REENT, name, offset);`
`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 --`	`* getenv --`
`* Returns ptr to value associated with name, if any, else NULL.`	`* Returns ptr to value associated with name, if any, else NULL.`
Line 113...	Line 89...
`char *`	`char *`
`_DEFUN (getenv, (name),`	`_DEFUN (getenv, (name),`
`_CONST char *name)`	`_CONST char *name)`
`{`	`{`
`int offset;`	`int offset;`
`char *_findenv ();`	`char *_findenv_r ();`

`return _findenv (name, &offset);`	`return _findenv_r (_REENT, name, &offset);`
`}`	`}`

`No newline at end of file`	`No newline at end of file`