X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fconcat.c;h=9efe73180d894870b7e14e606b1950a0f7da0c39;hp=4d4e15c1fd9191d76b6674764ea74f7c69ba1e7d;hb=88b2142594d5ea1e8385dae5eca81eed1018c555;hpb=81a21a9a97d8633f6d6231e31fdb6e328d0d3ff2 diff --git a/sbr/concat.c b/sbr/concat.c index 4d4e15c..9efe731 100644 --- a/sbr/concat.c +++ b/sbr/concat.c @@ -1,40 +1,49 @@ - /* - * concat.c -- concatenate a variable number (minimum of 1) - * of strings in managed memory - * - * $Id$ - * - * This code is Copyright (c) 2002, by the authors of nmh. See the - * COPYRIGHT file in the root directory of the nmh distribution for - * complete copyright information. - */ +** concat.c -- concatenate a variable number (minimum of 1) +** of strings in managed memory +** +** This code is Copyright (c) 2002, by the authors of nmh. See the +** COPYRIGHT file in the root directory of the nmh distribution for +** complete copyright information. +*/ #include #include +#include + + +static char * +copy(char *from, char *to) +{ + while ((*to = *from)) { + to++; + from++; + } + return (to); +} char * -concat (char *s1, ...) +concat(char *s1, ...) { - char *cp, *dp, *sp; - size_t len; - va_list list; + char *cp, *dp, *sp; + size_t len; + va_list list; - len = strlen (s1) + 1; - va_start(list, s1); - while ((cp = va_arg(list, char *))) - len += strlen (cp); - va_end(list); + len = strlen(s1) + 1; + va_start(list, s1); + while ((cp = va_arg(list, char *))) + len += strlen(cp); + va_end(list); - dp = sp = mh_xmalloc(len); + dp = sp = mh_xcalloc(len, sizeof(char)); - sp = copy(s1, sp); + sp = copy(s1, sp); - va_start(list, s1); - while ((cp = va_arg (list, char *))) - sp = copy(cp, sp); - va_end(list); + va_start(list, s1); + while ((cp = va_arg(list, char *))) + sp = copy(cp, sp); + va_end(list); - return dp; + return dp; }