[llvm-commits] CVS: llvm/test/Programs/SingleSource/Shootout/strcat.c

[Chris Lattner]

Changes in directory llvm/test/Programs/SingleSource/Shootout:

strcat.c added (r1.1)

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Log message:

Simple test


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Diffs of the changes:

Index: llvm/test/Programs/SingleSource/Shootout/strcat.c
diff -c /dev/null llvm/test/Programs/SingleSource/Shootout/strcat.c:1.1
*** /dev/null	Sun May 11 15:16:56 2003
--- llvm/test/Programs/SingleSource/Shootout/strcat.c	Sun May 11 15:16:45 2003
***************
*** 0 ****
--- 1,36 ----
+ /* -*- mode: c -*-
+  * $Id: strcat.c,v 1.1 2003/05/11 20:16:45 lattner Exp $
+  * http://www.bagley.org/~doug/shootout/
+  */
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+ 
+ #define STUFF "hello\n"
+ 
+ int
+ main(int argc, char *argv[]) {
+     int n = ((argc == 2) ? atoi(argv[1]) : 1);
+     int i, buflen = 32;
+     char *strbuf = calloc(sizeof(char), buflen);
+     char *strend = strbuf;
+     int stufflen = strlen(STUFF);
+ 
+     if (!strbuf) { perror("calloc strbuf"); exit(1); }
+     for (i=0; i<n; i++) {
+ 	if (((strbuf+buflen)-strend) < (stufflen+1)) {
+ 	    buflen = 2*buflen;
+ 	    strbuf = realloc(strbuf, buflen);
+ 	    if (!strbuf) { perror("realloc strbuf"); exit(1); }
+ 	    strend = strbuf + strlen(strbuf);
+ 	}
+ 	/* much faster to strcat to strend than to strbuf */
+ 	strcat(strend, STUFF);
+ 	strend += stufflen;
+     }
+     printf("%d\n", (int)strlen(strbuf));
+     free(strbuf);
+ 
+     return(0);
+ }