diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/string/Makefile | 11 | ||||
| -rw-r--r-- | libc/string/strxfrm.c | 47 |
2 files changed, 49 insertions, 9 deletions
diff --git a/libc/string/Makefile b/libc/string/Makefile index 0d034d1d6..2b8f39fac 100644 --- a/libc/string/Makefile +++ b/libc/string/Makefile @@ -31,20 +31,13 @@ MOBJW= basename.o bcopy.o bzero.o dirname.o ffs.o memccpy.o memchr.o memcmp.o \ strcmp.o strcpy.o strcspn.o strdup.o strlen.o strncasecmp.o strncat.o \ strncmp.o strncpy.o strndup.o strnlen.o strpbrk.o strrchr.o strsep.o \ strspn.o strstr.o strtok.o strtok_r.o \ - __xpg_basename.o # strcoll.o strerror.o strxfrm.o + __xpg_basename.o # strcoll.o strerror.o MOBJW2= wcscasecmp.o wcscat.o wcschrnul.o wcschr.o wcscmp.o wcscpy.o wcscspn.o \ wcsdup.o wcslen.o wcsncasecmp.o wcsncat.o wcsncmp.o wcsncpy.o \ wcsnlen.o wcspbrk.o wcsrchr.o wcsspn.o wcsstr.o wcstok.o wmemchr.o \ wmemcmp.o wmemcpy.o wmemmove.o wmempcpy.o wmemset.o -MSRC=string.c -# MOBJ=strlen.o strcat.o strcpy.o strchr.o strcmp.o strncat.o strncpy.o \ -# strncmp.o strrchr.o strdup.o strndup.o memcpy.o memccpy.o memset.o \ -# memmove.o memcmp.o memchr.o ffs.o strnlen.o strxfrm.o stpcpy.o \ -# stpncpy.o memrchr.o mempcpy.o -MOBJ=strxfrm.o - # ifeq ($(HAS_LOCALE),true) # MOBJ += strcoll.o # endif @@ -59,7 +52,7 @@ MOBJ2= # CSRC=strpbrk.c strsep.c strtok.c strtok_r.c strcspn.c \ # strspn.c strcasecmp.c strncasecmp.c strerror.c bcopy.c bzero.c \ # bcmp.c sys_errlist.c dirname.c basename.c -CSRC=strerror.c sys_errlist.c +CSRC=strerror.c sys_errlist.c strxfrm.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(MOBJ) $(MOBJ1) $(MOBJ2) $(COBJS) $(MOBJW) diff --git a/libc/string/strxfrm.c b/libc/string/strxfrm.c new file mode 100644 index 000000000..5acb824c3 --- /dev/null +++ b/libc/string/strxfrm.c @@ -0,0 +1,47 @@ +/* vi: set sw=4 ts=4: */ +/* strxfrm for uClibc + * + * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <string.h> + +size_t strxfrm(char *dst, const char *src, size_t len) +{ + size_t length; + register char *ptr1, *ptr2; + + length = len; + ptr1 = (char *) dst; + ptr2 = (char *) src; + while (length--) { + if (*ptr2) + *ptr1++ = *ptr2++; + else + *ptr1++ = '\0'; + } + /* The first while loop should have done much of the heavy + * lifting for us. This second look will finish the job if + * that is necessary */ + while (*ptr2) + ptr2++; + length = (ptr2 - src); + + if (length<len) + return(length); + return(len); +} |