summaryrefslogtreecommitdiff
path: root/common/compat.c
diff options
context:
space:
mode:
authorStef Walter <stef@memberwebs.com>2004-07-19 17:49:09 +0000
committerStef Walter <stef@memberwebs.com>2004-07-19 17:49:09 +0000
commit086da0b54d7f5711733febdb27507a5400767be6 (patch)
treea8cbf97d4d71ae9803cfb16e29d5d9732e878aa6 /common/compat.c
parent0d8273a6e327e1e9a2bdddcea1e1b19bcb544247 (diff)
Miscellaneous fixes (lost track).
Diffstat (limited to 'common/compat.c')
-rw-r--r--common/compat.c99
1 files changed, 82 insertions, 17 deletions
diff --git a/common/compat.c b/common/compat.c
index 54fd760..d3730e0 100644
--- a/common/compat.c
+++ b/common/compat.c
@@ -34,8 +34,37 @@
* CONTRIBUTORS
* Nate Nielsen <nielsen@memberwebs.com>
*
+ *
+ * PORTIONS FROM OPENBSD: -------------------------------------------------
+ *
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 "usuals.h"
#include "compat.h"
@@ -81,34 +110,70 @@ char* strupr(char* s)
#ifndef HAVE_STRLCPY
-#ifndef HAVE_STRNCPY
-#error neither strncpy or strlcpy found
-#endif
-
-void strlcpy(char* dest, const char* src, size_t count)
+size_t strlcpy(char* dst, const char* src, size_t siz)
{
- if(count > 0)
- {
- strncpy(dest, src, count);
- dest[count - 1] = 0;
+ char* d = dst;
+ const char* s = src;
+ size_t n = siz;
+
+ /* Copy as many bytes as will fit */
+ if(n != 0 && --n != 0)
+ {
+ do
+ {
+ if((*d++ = *s++) == 0)
+ break;
}
+ while(--n != 0);
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if(n == 0)
+ {
+ if(siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+
+ return s - src - 1; /* count does not include NUL */
}
+
#endif
#ifndef HAVE_STRLCAT
-#ifndef HAVE_STRNCAT
-#error neither strncat or strlcat found
-#endif
-
-void strlcat(char* dest, const char* src, size_t count)
+size_t strlcat(char* dst, const char* src, size_t siz)
{
- if(count > 0)
+ char* d = dst;
+ const char* s = src;
+ size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while(n-- != 0 && *d != '\0')
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if(n == 0)
+ return dlen + strlen(s);
+ while(*s != '\0')
+ {
+ if(n != 1)
{
- strncat(dest, src, count);
- dest[count - 1] = 0;
+ *d++ = *s;
+ n--;
}
+
+ s++;
+ }
+
+ *d = '\0';
+
+ return dlen + (s - src); /* count does not include NUL */
}
+
#endif