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-rw-r--r--contrib/tcsh/tc.str.c599
1 files changed, 0 insertions, 599 deletions
diff --git a/contrib/tcsh/tc.str.c b/contrib/tcsh/tc.str.c
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--- a/contrib/tcsh/tc.str.c
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@@ -1,599 +0,0 @@
-/* $Header: /p/tcsh/cvsroot/tcsh/tc.str.c,v 3.26 2006/03/02 18:46:45 christos Exp $ */
-/*
- * tc.str.c: Short string package
- * This has been a lesson of how to write buggy code!
- */
-/*-
- * Copyright (c) 1980, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#include "sh.h"
-
-#include <limits.h>
-
-RCSID("$tcsh: tc.str.c,v 3.26 2006/03/02 18:46:45 christos Exp $")
-
-#define MALLOC_INCR 128
-#ifdef WIDE_STRINGS
-#define MALLOC_SURPLUS MB_LEN_MAX /* Space for one multibyte character */
-#else
-#define MALLOC_SURPLUS 0
-#endif
-
-#ifdef WIDE_STRINGS
-size_t
-one_mbtowc(wchar_t *pwc, const char *s, size_t n)
-{
- int len;
-
- len = rt_mbtowc(pwc, s, n);
- if (len == -1) {
- mbtowc(NULL, NULL, 0);
- *pwc = (unsigned char)*s | INVALID_BYTE;
- }
- if (len <= 0)
- len = 1;
- return len;
-}
-
-size_t
-one_wctomb(char *s, wchar_t wchar)
-{
- int len;
-
- if (wchar & INVALID_BYTE) {
- s[0] = wchar & 0xFF;
- len = 1;
- } else {
- len = wctomb(s, wchar);
- if (len == -1)
- s[0] = wchar;
- if (len <= 0)
- len = 1;
- }
- return len;
-}
-
-int
-rt_mbtowc(wchar_t *pwc, const char *s, size_t n)
-{
- int ret;
- char back[MB_LEN_MAX];
-
- ret = mbtowc(pwc, s, n);
- if (ret > 0 && (wctomb(back, *pwc) != ret || memcmp(s, back, ret) != 0))
- ret = -1;
- return ret;
-}
-#endif
-
-#ifdef SHORT_STRINGS
-Char **
-blk2short(char **src)
-{
- size_t n;
- Char **sdst, **dst;
-
- /*
- * Count
- */
- for (n = 0; src[n] != NULL; n++)
- continue;
- sdst = dst = xmalloc((n + 1) * sizeof(Char *));
-
- for (; *src != NULL; src++)
- *dst++ = SAVE(*src);
- *dst = NULL;
- return (sdst);
-}
-
-char **
-short2blk(Char **src)
-{
- size_t n;
- char **sdst, **dst;
-
- /*
- * Count
- */
- for (n = 0; src[n] != NULL; n++)
- continue;
- sdst = dst = xmalloc((n + 1) * sizeof(char *));
-
- for (; *src != NULL; src++)
- *dst++ = strsave(short2str(*src));
- *dst = NULL;
- return (sdst);
-}
-
-Char *
-str2short(const char *src)
-{
- static struct Strbuf buf; /* = Strbuf_INIT; */
-
- if (src == NULL)
- return (NULL);
-
- buf.len = 0;
- while (*src) {
- Char wc;
-
- src += one_mbtowc(&wc, src, MB_LEN_MAX);
- Strbuf_append1(&buf, wc);
- }
- Strbuf_terminate(&buf);
- return buf.s;
-}
-
-char *
-short2str(const Char *src)
-{
- static char *sdst = NULL;
- static size_t dstsize = 0;
- char *dst, *edst;
-
- if (src == NULL)
- return (NULL);
-
- if (sdst == NULL) {
- dstsize = MALLOC_INCR;
- sdst = xmalloc((dstsize + MALLOC_SURPLUS) * sizeof(char));
- }
- dst = sdst;
- edst = &dst[dstsize];
- while (*src) {
- dst += one_wctomb(dst, *src & CHAR);
- src++;
- if (dst >= edst) {
- dstsize += MALLOC_INCR;
- sdst = xrealloc(sdst, (dstsize + MALLOC_SURPLUS) * sizeof(char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- *dst = 0;
- return (sdst);
-}
-
-#ifndef WIDE_STRINGS
-Char *
-s_strcpy(Char *dst, const Char *src)
-{
- Char *sdst;
-
- sdst = dst;
- while ((*dst++ = *src++) != '\0')
- continue;
- return (sdst);
-}
-
-Char *
-s_strncpy(Char *dst, const Char *src, size_t n)
-{
- Char *sdst;
-
- if (n == 0)
- return(dst);
-
- sdst = dst;
- do
- if ((*dst++ = *src++) == '\0') {
- while (--n != 0)
- *dst++ = '\0';
- return(sdst);
- }
- while (--n != 0);
- return (sdst);
-}
-
-Char *
-s_strcat(Char *dst, const Char *src)
-{
- Strcpy(Strend(dst), src);
- return dst;
-}
-
-#ifdef NOTUSED
-Char *
-s_strncat(Char *dst, const Char *src, size_t n)
-{
- Char *sdst;
-
- if (n == 0)
- return (dst);
-
- sdst = dst;
-
- while (*dst)
- dst++;
-
- do
- if ((*dst++ = *src++) == '\0')
- return(sdst);
- while (--n != 0)
- continue;
-
- *dst = '\0';
- return (sdst);
-}
-
-#endif
-
-Char *
-s_strchr(const Char *str, int ch)
-{
- do
- if (*str == ch)
- return ((Char *)(intptr_t)str);
- while (*str++);
- return (NULL);
-}
-
-Char *
-s_strrchr(const Char *str, int ch)
-{
- const Char *rstr;
-
- rstr = NULL;
- do
- if (*str == ch)
- rstr = str;
- while (*str++);
- return ((Char *)(intptr_t)rstr);
-}
-
-size_t
-s_strlen(const Char *str)
-{
- size_t n;
-
- for (n = 0; *str++; n++)
- continue;
- return (n);
-}
-
-int
-s_strcmp(const Char *str1, const Char *str2)
-{
- for (; *str1 && *str1 == *str2; str1++, str2++)
- continue;
- /*
- * The following case analysis is necessary so that characters which look
- * negative collate low against normal characters but high against the
- * end-of-string NUL.
- */
- if (*str1 == '\0' && *str2 == '\0')
- return (0);
- else if (*str1 == '\0')
- return (-1);
- else if (*str2 == '\0')
- return (1);
- else
- return (*str1 - *str2);
-}
-
-int
-s_strncmp(const Char *str1, const Char *str2, size_t n)
-{
- if (n == 0)
- return (0);
- do {
- if (*str1 != *str2) {
- /*
- * The following case analysis is necessary so that characters
- * which look negative collate low against normal characters
- * but high against the end-of-string NUL.
- */
- if (*str1 == '\0')
- return (-1);
- else if (*str2 == '\0')
- return (1);
- else
- return (*str1 - *str2);
- }
- if (*str1 == '\0')
- return(0);
- str1++, str2++;
- } while (--n != 0);
- return(0);
-}
-#endif /* not WIDE_STRINGS */
-
-int
-s_strcasecmp(const Char *str1, const Char *str2)
-{
-#ifdef WIDE_STRINGS
- wchar_t l1 = 0, l2 = 0;
- for (; *str1 && ((*str1 == *str2 && (l1 = l2 = 0) == 0) ||
- (l1 = towlower(*str1)) == (l2 = towlower(*str2))); str1++, str2++)
- continue;
-
-#else
- unsigned char c1, c2, l1 = 0, l2 = 0;
- for (; *str1 && ((*str1 == *str2 && (l1 = l2 = 0) == 0) ||
- ((c1 = (unsigned char)*str1) == *str1 &&
- (c2 = (unsigned char)*str2) == *str2 &&
- (l1 = tolower(c1)) == (l2 = tolower(c2)))); str1++, str2++)
- continue;
-#endif
- /*
- * The following case analysis is necessary so that characters which look
- * negative collate low against normal characters but high against the
- * end-of-string NUL.
- */
- if (*str1 == '\0' && *str2 == '\0')
- return (0);
- else if (*str1 == '\0')
- return (-1);
- else if (*str2 == '\0')
- return (1);
- else if (l1 == l2) /* They are zero when they are equal */
- return (*str1 - *str2);
- else
- return (l1 - l2);
-}
-
-Char *
-s_strnsave(const Char *s, size_t len)
-{
- Char *n;
-
- n = xmalloc((len + 1) * sizeof (*n));
- memcpy(n, s, len * sizeof (*n));
- n[len] = '\0';
- return n;
-}
-
-Char *
-s_strsave(const Char *s)
-{
- Char *n;
- size_t size;
-
- if (s == NULL)
- s = STRNULL;
- size = (Strlen(s) + 1) * sizeof(*n);
- n = xmalloc(size);
- memcpy(n, s, size);
- return (n);
-}
-
-Char *
-s_strspl(const Char *cp, const Char *dp)
-{
- Char *res, *ep;
- const Char *p, *q;
-
- if (!cp)
- cp = STRNULL;
- if (!dp)
- dp = STRNULL;
- for (p = cp; *p++;)
- continue;
- for (q = dp; *q++;)
- continue;
- res = xmalloc(((p - cp) + (q - dp) - 1) * sizeof(Char));
- for (ep = res, q = cp; (*ep++ = *q++) != '\0';)
- continue;
- for (ep--, q = dp; (*ep++ = *q++) != '\0';)
- continue;
- return (res);
-}
-
-Char *
-s_strend(const Char *cp)
-{
- if (!cp)
- return ((Char *)(intptr_t) cp);
- while (*cp)
- cp++;
- return ((Char *)(intptr_t) cp);
-}
-
-Char *
-s_strstr(const Char *s, const Char *t)
-{
- do {
- const Char *ss = s;
- const Char *tt = t;
-
- do
- if (*tt == '\0')
- return ((Char *)(intptr_t) s);
- while (*ss++ == *tt++);
- } while (*s++ != '\0');
- return (NULL);
-}
-
-#else /* !SHORT_STRINGS */
-char *
-caching_strip(const char *s)
-{
- static char *buf = NULL;
- static size_t buf_size = 0;
- size_t size;
-
- if (s == NULL)
- return NULL;
- size = strlen(s) + 1;
- if (buf_size < size) {
- buf = xrealloc(buf, size);
- buf_size = size;
- }
- memcpy(buf, s, size);
- strip(buf);
- return buf;
-}
-#endif
-
-char *
-short2qstr(const Char *src)
-{
- static char *sdst = NULL;
- static size_t dstsize = 0;
- char *dst, *edst;
-
- if (src == NULL)
- return (NULL);
-
- if (sdst == NULL) {
- dstsize = MALLOC_INCR;
- sdst = xmalloc((dstsize + MALLOC_SURPLUS) * sizeof(char));
- }
- dst = sdst;
- edst = &dst[dstsize];
- while (*src) {
- if (*src & QUOTE) {
- *dst++ = '\\';
- if (dst == edst) {
- dstsize += MALLOC_INCR;
- sdst = xrealloc(sdst,
- (dstsize + MALLOC_SURPLUS) * sizeof(char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- dst += one_wctomb(dst, *src & CHAR);
- src++;
- if (dst >= edst) {
- dstsize += MALLOC_INCR;
- sdst = xrealloc(sdst, (dstsize + MALLOC_SURPLUS) * sizeof(char));
- edst = &sdst[dstsize];
- dst = &edst[-MALLOC_INCR];
- }
- }
- *dst = 0;
- return (sdst);
-}
-
-static void
-bb_store(struct blk_buf *bb, Char *str)
-{
- if (bb->len == bb->size) { /* Keep space for terminating NULL */
- if (bb->size == 0)
- bb->size = 16; /* Arbitrary */
- else
- bb->size *= 2;
- bb->vec = xrealloc(bb->vec, bb->size * sizeof (*bb->vec));
- }
- bb->vec[bb->len] = str;
-}
-
-void
-bb_append(struct blk_buf *bb, Char *str)
-{
- bb_store(bb, str);
- bb->len++;
-}
-
-void
-bb_cleanup(void *xbb)
-{
- struct blk_buf *bb;
- size_t i;
-
- bb = xbb;
- for (i = 0; i < bb->len; i++)
- xfree(bb->vec[i]);
- xfree(bb->vec);
-}
-
-Char **
-bb_finish(struct blk_buf *bb)
-{
- bb_store(bb, NULL);
- return xrealloc(bb->vec, (bb->len + 1) * sizeof (*bb->vec));
-}
-
-#define DO_STRBUF(STRBUF, CHAR, STRLEN) \
-static void \
-STRBUF##_store1(struct STRBUF *buf, CHAR c) \
-{ \
- if (buf->size == buf->len) { \
- if (buf->size == 0) \
- buf->size = 64; /* Arbitrary */ \
- else \
- buf->size *= 2; \
- buf->s = xrealloc(buf->s, buf->size * sizeof(*buf->s)); \
- } \
- buf->s[buf->len] = c; \
-} \
- \
-/* Like strbuf_append1(buf, '\0'), but don't advance len */ \
-void \
-STRBUF##_terminate(struct STRBUF *buf) \
-{ \
- STRBUF##_store1(buf, '\0'); \
-} \
- \
-void \
-STRBUF##_append1(struct STRBUF *buf, CHAR c) \
-{ \
- STRBUF##_store1(buf, c); \
- buf->len++; \
-} \
- \
-void \
-STRBUF##_appendn(struct STRBUF *buf, const CHAR *s, size_t len) \
-{ \
- if (buf->size < buf->len + len) { \
- if (buf->size == 0) \
- buf->size = 64; /* Arbitrary */ \
- while (buf->size < buf->len + len) \
- buf->size *= 2; \
- buf->s = xrealloc(buf->s, buf->size * sizeof(*buf->s)); \
- } \
- memcpy(buf->s + buf->len, s, len * sizeof(*buf->s)); \
- buf->len += len; \
-} \
- \
-void \
-STRBUF##_append(struct STRBUF *buf, const CHAR *s) \
-{ \
- STRBUF##_appendn(buf, s, STRLEN(s)); \
-} \
- \
-CHAR * \
-STRBUF##_finish(struct STRBUF *buf) \
-{ \
- STRBUF##_append1(buf, 0); \
- return xrealloc(buf->s, buf->len * sizeof(*buf->s)); \
-} \
- \
-void \
-STRBUF##_cleanup(void *xbuf) \
-{ \
- struct STRBUF *buf; \
- \
- buf = xbuf; \
- xfree(buf->s); \
-} \
- \
-const struct STRBUF STRBUF##_init /* = STRBUF##_INIT; */
-
-DO_STRBUF(strbuf, char, strlen);
-DO_STRBUF(Strbuf, Char, Strlen);
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