stpecpy.h, stpecpy.3, stpecpyx.3, stpecpy.c: Remove stpecpyx()

It was equivalent to stpecpy().

Signed-off-by: Alejandro Colomar <alx@kernel.org>

4 files changed, 9 insertions, 36 deletions

diff --git a/include/stp/stpe/stpecpy.h b/include/stp/stpe/stpecpy.h
index f16da4f..7dc318a 100644
--- a/include/stp/stpe/stpecpy.h
+++ b/include/stp/stpe/stpecpy.h
@@ -12,8 +12,6 @@
 #pragma clang assume_nonnull begin
 char *stp_nullable stpecpy(char *stp_nullable dst, char *end,
     const char *restrict src);
-char *stp_nullable stpecpyx(char *stp_nullable dst, char *end,
-    const char *restrict src);
 #pragma clang assume_nonnull end
 
 
diff --git a/share/man/man3/stpecpy.3 b/share/man/man3/stpecpy.3
index 2ff5440..6d58aa1 100644
--- a/share/man/man3/stpecpy.3
+++ b/share/man/man3/stpecpy.3
@@ -4,7 +4,7 @@
 .\"
 .TH stpecpy 3 (date) "libstp (unreleased)"
 .SH NAME
-stpecpy, stpecpyx \- copy a string with truncation
+stpecpy \- copy a string with truncation
 .SH LIBRARY
 stp string library
 .RI ( libstp ", " "pkgconf --cflags --libs libstp" )
@@ -14,11 +14,9 @@ stp string library
 .PP
 .BI "char *_Nullable stpecpy(char *_Nullable " dst ", char " end [0],
 .BI "                        const char *restrict " src );
-.BI "char *_Nullable stpecpyx(char *_Nullable " dst ", char " end [0],
-.BI "                        const char *restrict " src );
 .fi
 .SH DESCRIPTION
-These functions copy the string pointed to by
+This function copies the string pointed to by
 .IR  src ,
 into a string at the buffer pointed to by
 .IR dst .
@@ -29,16 +27,12 @@ limited by a pointer to its
 isn't large enough to hold the copy,
 the resulting string is truncated.
 .PP
-.MR stpecpyx 3
-forces a SIGSEGV if the input is not a string,
-by traversing it entirely.
-.PP
-These functions can be chained with calls to
+This function can be chained with calls to
 .MR stpeprintf 3
 and
 .MR vstpeprintf 3 .
 .PP
-An implementation of these functions might be
+An implementation of this function might be
 .PP
 .in +4n
 .EX
@@ -49,6 +43,9 @@ char *
 {
     char *p;
 
+    if (src[strlen(src)] != \(aq\e0\(aq)
+        raise(SIGSEGV);
+
     if (dst == end || dst == NULL)
         return dst;
 
@@ -60,15 +57,6 @@ char *
     end[\-1] = \(aq\e0\(aq;
     return end;
 }
-
-char *
-.IR stpecpyx "(char *dst, char end[0], const char *restrict src)"
-{
-    if (src[strlen(src)] != \(aq\e0\(aq)
-        raise(SIGSEGV);
-
-    return stpecpy(dst, end, src);
-}
 .EE
 .in
 .SH RETURN VALUE
@@ -88,13 +76,13 @@ If
 .I dst
 was equal to
 .I end
-(a previous call to these functions truncated).
+(a previous call to this function truncated).
 .PD
 .RE
 .TP
 .I dst + strlen(dst)
 On success,
-these functions return a pointer to the terminating null byte.
+this function returpn a pointer to the terminating null byte.
 .SH ATTRIBUTES
 For an explanation of the terms used in this section, see
 .BR attributes (7).
@@ -107,7 +95,6 @@ l l l.
 Interface	Attribute	Value
 T{
 .MR stpecpy 3 ,
-.MR stpecpyx 3
 T}	Thread safety	MT-Safe
 .TE
 .hy
diff --git a/share/man/man3/stpecpyx.3 b/share/man/man3/stpecpyx.3
deleted file mode 100644
index b0e77ae..0000000
--- a/share/man/man3/stpecpyx.3
+++ /dev/null
@@ -1 +0,0 @@
-.so man3/stpecpy.3
diff --git a/src/stp/stpe/stpecpy.c b/src/stp/stpe/stpecpy.c
index a2d1cf2..0fbc014 100644
--- a/src/stp/stpe/stpecpy.c
+++ b/src/stp/stpe/stpecpy.c
@@ -4,7 +4,6 @@
 
 #include <stp/stpe/stpecpy.h>
 
-#include <signal.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <string.h>
@@ -34,14 +33,4 @@ stpecpy(char *stp_nullable dst, char end[0], const char *restrict src)
 
 	return mempcpy(dst, src, dlen) + trunc;
 }
-
-
-char *stp_nullable
-stpecpyx(char *stp_nullable dst, char end[0], const char *restrict src)
-{
-	if (stp_unlikely(src[strlen(src)] != '\0'))
-		(void) raise(SIGSEGV);
-
-	return stpecpy(dst, end, src);
-}
 #pragma clang assume_nonnull end