diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2014-03-30 17:09:11 +0200 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2014-03-30 17:09:11 +0200 |
commit | 208c1a556654a5cc3a3fd5fcc500f70261fb084b (patch) | |
tree | 1a1a0112594a7939739b32e48bf370618f8eb812 /package/heirloom-cpio/src/ib_getw.c | |
parent | 113a0add9081f04a0dc1f11ae47eb11fbe6b5512 (diff) | |
parent | 44422107fcae7591bc9ee0ca54fa580160345e4a (diff) |
Merge branch 'master' of git+ssh://openadk.org/git/openadk
Diffstat (limited to 'package/heirloom-cpio/src/ib_getw.c')
-rw-r--r-- | package/heirloom-cpio/src/ib_getw.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/package/heirloom-cpio/src/ib_getw.c b/package/heirloom-cpio/src/ib_getw.c new file mode 100644 index 000000000..b7f2e6762 --- /dev/null +++ b/package/heirloom-cpio/src/ib_getw.c @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2003 Gunnar Ritter + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute + * it freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source distribution. + */ +/* Sccsid @(#)ib_getw.c 1.5 (gritter) 7/16/04 */ + +#include <stdlib.h> +#include <string.h> +#include "iblok.h" +#include "mbtowi.h" + +char * +ib_getw(struct iblok *ip, wint_t *wc, int *len) +{ + size_t rest; + int c, i, n; + + i = 0; + rest = ip->ib_mend - ip->ib_mcur; + if (rest && ip->ib_mcur > ip->ib_mbuf) { + do + ip->ib_mbuf[i] = ip->ib_mcur[i]; + while (i++, --rest); + } else if (ip->ib_incompl) { + ip->ib_incompl = 0; + *wc = WEOF; + ip->ib_mend = ip->ib_mcur = NULL; + return NULL; + } + if (i == 0) { + c = ib_get(ip); + if (c == EOF) { + *wc = WEOF; + ip->ib_mend = ip->ib_mcur = NULL; + return NULL; + } + ip->ib_mbuf[i++] = (char)c; + } + if (ip->ib_mbuf[0] & 0200) { + while (ip->ib_mbuf[i-1] != '\n' && i < ip->ib_mb_cur_max && + ip->ib_incompl == 0) { + c = ib_get(ip); + if (c != EOF) + ip->ib_mbuf[i++] = (char)c; + else + ip->ib_incompl = 1; + } + n = mbtowi(wc, ip->ib_mbuf, i); + if (n < 0) { + *len = 1; + *wc = WEOF; + } else if (n == 0) { + *len = 1; + *wc = '\0'; + } else + *len = n; + } else { + *wc = ip->ib_mbuf[0]; + *len = n = 1; + } + ip->ib_mcur = &ip->ib_mbuf[*len]; + ip->ib_mend = &ip->ib_mcur[i - *len]; + return ip->ib_mbuf; +} |