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b56d7e7937
* libc/argz/*: New files. * libc/argz/argz_add.c: New file. * libc/argz/argz_add_sep.c: New file. * libc/argz/argz_append.c: New file. * libc/argz/argz_count.c: New file. * libc/argz/argz_create.c: New file. * libc/argz/argz_create_sep.c: New file. * libc/argz/argz_delete.c: New file. * libc/argz/argz_extract.c: New file. * libc/argz/argz_insert.c: New file. * libc/argz/argz_next.c: New file. * libc/argz/argz_replace.c: New file. * libc/argz/argz_stringify.c: New file. * libc/argz/buf_findstr.c: New file. * libc/argz/envz_add.c: New file. * libc/argz/envz_entry.c: New file. * libc/argz/envz_get.c: New file. * libc/argz/envz_merge.c: New file. * libc/argz/envz_remove.c: New file. * libc/argz/envz_strip.c: New file. * libc/include/argz.h: New file. * libc/include/envz.h: New file. * Makefile.am (LIBC_OBJECTLISTS): Add libc/argz/objectlist.awk.in. * libc/Makefile.am (SUBDIRS): Add argz. (SUBLIBS): Add argz/libargz.la. * libc/configure.in (AC_OUTPUT): Add argz/Makefile. * libc/include/errno.h: Add error_t typedef.
41 lines
999 B
C
41 lines
999 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 <argz.h>
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#include <envz.h>
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void
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envz_strip (char **envz, size_t *envz_len)
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{
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char *entry = 0;
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int len = 0;
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int null_found = 0;
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while((entry = argz_next(*envz, *envz_len, entry)))
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{
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if(!strchr(entry, '='))
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{
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null_found = 1;
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len = strlen(entry) + 1;
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/* Make sure this is not the last entry in envz. If it is, it
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will be chopped off by the realloc anyway.*/
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if(*envz + *envz_len != entry + len - 1)
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{
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memmove(entry, entry + len, *envz + *envz_len - entry - len);
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}
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*envz_len -= len;
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}
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}
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if(null_found)
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{
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*envz = (char *)realloc(*envz, *envz_len);
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}
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}
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