X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=libs%2Fshttpd%2Fstring.c;fp=libs%2Fshttpd%2Fstring.c;h=44f0094387ba11060995630acb1c713f47525e30;hb=d8ccfe2b3944adf07d35534459cdda19d15217c8;hp=0000000000000000000000000000000000000000;hpb=21f835f30b4e092c847bf4569a00995774f7330e;p=fms.git

diff --git a/libs/shttpd/string.c b/libs/shttpd/string.c
new file mode 100644
index 0000000..44f0094
--- /dev/null
+++ b/libs/shttpd/string.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2004-2005 Sergey Lyubka <valenok@gmail.com>
+ * All rights reserved
+ *
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * Sergey Lyubka wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.
+ */
+
+#include "defs.h"
+
+void
+my_strlcpy(register char *dst, register const char *src, size_t n)
+{
+	for (; *src != '\0' && n > 1; n--)
+		*dst++ = *src++;
+	*dst = '\0';
+}
+
+int
+my_strncasecmp(const char *str1, const char *str2, size_t len)
+{
+	register const unsigned char	*s1 = (unsigned char *) str1,
+		 			*s2 = (unsigned char *) str2, *e;
+	int				ret;
+
+	for (e = s1 + len - 1; s1 < e && *s1 != '\0' && *s2 != '\0' &&
+	    tolower(*s1) == tolower(*s2); s1++, s2++) ;
+	ret = tolower(*s1) - tolower(*s2);
+
+	return (ret);
+}
+
+char *
+my_strndup(const char *ptr, size_t len)
+{
+	char	*p;
+
+	if ((p = malloc(len + 1)) != NULL)
+		my_strlcpy(p, ptr, len + 1);
+
+	return (p);
+
+}
+
+char *
+my_strdup(const char *str)
+{
+	return (my_strndup(str, strlen(str)));
+}
+
+/*
+ * Sane snprintf(). Acts like snprintf(), but never return -1 or the
+ * value bigger than supplied buffer.
+ * Thanks Adam Zeldis to pointing snprintf()-caused vulnerability
+ * in his audit report.
+ */
+int
+my_snprintf(char *buf, size_t buflen, const char *fmt, ...)
+{
+	va_list		ap;
+	int		n;
+
+	if (buflen == 0)
+		return (0);
+
+	va_start(ap, fmt);
+	n = vsnprintf(buf, buflen, fmt, ap);
+	va_end(ap);
+
+	if (n < 0 || (size_t) n >= buflen)
+		n = buflen - 1;
+	buf[n] = '\0';
+
+	return (n);
+}
+
+/*
+ * Verify that given file has certain extension
+ */
+int
+match_extension(const char *path, const char *ext_list)
+{
+	size_t		len, path_len;
+	
+	path_len = strlen(path);
+
+	FOR_EACH_WORD_IN_LIST(ext_list, len)
+		if (len < path_len &&
+		    !my_strncasecmp(path + path_len - len, ext_list, len))
+			return (1);
+
+	return (0);
+}