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9b022d6db8
* libc/argz/buf_findstr.c: Likewise. * libc/argz/envz_entry.c: Include buf_findstr.h. Cast return value to (char *). * libc/argz/envz_get.c: Likewise. * libc/include/sys/unistd.h: Add getopt and getsubopt declarations. * libc/stdlib/Makefile.am (LIB_SOURCES): Add getsubopt.c. * libc/stdlib/getsubopt.3: New file. * libc/stdlib/getsubopt.c: New file. * libc/sys/linux/machine/i386/socketcall.h (__sockcall_base): Change esp to ebp.
41 lines
881 B
C
41 lines
881 B
C
/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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#include <errno.h>
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include <envz.h>
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#include "buf_findstr.h"
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char *
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envz_get (const char *envz, size_t envz_len, const char *name)
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{
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char *buf_ptr = (char *)envz;
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size_t buf_len = envz_len;
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while(buf_len)
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{
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if (_buf_findstr(name, &buf_ptr, &buf_len))
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{
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if (*buf_ptr == '=')
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{
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buf_ptr++;
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return (char *)buf_ptr;
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}
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else
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{
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if (*buf_ptr == '\0')
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/* NULL entry. */
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return NULL;
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}
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}
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}
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/* No matching entries found. */
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return NULL;
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}
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