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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.
43 lines
966 B
C
43 lines
966 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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/* Find string str in buffer buf of length buf_len. Point buf to character after string,
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or set it to NULL if end of buffer is reached. Return 1 if found, 0 if not. */
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int
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buf_findstr(const char *str, const char **buf, size_t *buf_len)
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{
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int i = 0;
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int j = 0;
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for (i = 0; i < *buf_len; i++)
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{
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if (str[0] == (*buf)[i])
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{
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j = i;
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while (str[j - i] && (str[j - i] == (*buf)[j])) j++;
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if(str[j - i] == '\0')
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{
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*buf += j;
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*buf_len -= j;
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return 1;
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}
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}
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}
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if (i == *buf_len)
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{
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*buf += *buf_len;
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*buf_len = 0;
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}
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return 0;
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}
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