Create PRIV(strcpy_c8) for copying config strings.

git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@107 6239d852-aaf2-0410-a92c-79f79f948069

1 files changed, 24 insertions, 1 deletions

diff --git a/src/pcre2_string_utils.c b/src/pcre2_string_utils.c
index 8b0a45d..1a6864b 100644
--- a/src/pcre2_string_utils.c
+++ b/src/pcre2_string_utils.c
@@ -160,7 +160,6 @@ return 0;
 }
 
 
-
 /*************************************************
 *        Find the length of a PCRE2 string       *
 *************************************************/
@@ -178,4 +177,28 @@ while (*str++ != 0) c++;
 return c;
 }
 
+
+/*************************************************
+* Copy 8-bit 0-terminated string to PCRE2 string *
+*************************************************/
+
+/* Arguments:
+  str1     buffer to receive the string
+  length   length of buffer in code units
+  str2     8-bit string to be copied
+  
+Returns:   the number of code units used (excluding trailing zero)
+           PCRE2_ERROR_BADLENGTH (a negative number) if buffer is too small
+*/              
+
+int
+PRIV(strcpy_c8)(PCRE2_UCHAR *str1, size_t length, const char *str2)
+{
+PCRE2_UCHAR *t = str1;
+if (strlen(str2) >= length) return PCRE2_ERROR_BADLENGTH; 
+while (*str2 != 0) *t++ = *str2++;
+*t = 0;
+return t - str1;
+}
+
 /* End of pcre2_string_utils.c */