now same as atoi

[unix-history] / usr / src / lib / libc / stdlib / atoi.c

diff --git a/usr/src/lib/libc/stdlib/atoi.c b/usr/src/lib/libc/stdlib/atoi.c
index 7382fc2..6553fab 100644 (file)
--- a/usr/src/lib/libc/stdlib/atoi.c
+++ b/usr/src/lib/libc/stdlib/atoi.c
@@ -1,25 +1,25 @@
-/* @(#)atoi.c  4.1 (Berkeley) %G% */
-atoi(ap)
-char *ap;
+/* @(#)atoi.c  4.2 (Berkeley) 1/11/81 */
+atoi(p)
+register char *p;

 {
 {

-       register int  n, c;
-       register char *p;
-       int f;
+       register int n;
+       register int f;

 
 

-       p = ap;

        n = 0;
        f = 0;
        n = 0;
        f = 0;

-loop:
-       while(*p == ' ' || *p == '      ')
-               p++;
-       if(*p == '-') {
-               f++;
-               p++;
-               goto loop;
+       for(;;p++) {
+               switch(*p) {
+               case ' ':
+               case '\t':
+                       continue;
+               case '-':
+                       f++;
+               case '+':
+                       p++;
+               }
+               break;

        }
        while(*p >= '0' && *p <= '9')
                n = n*10 + *p++ - '0';
        }
        while(*p >= '0' && *p <= '9')
                n = n*10 + *p++ - '0';

-       if(f)
-               n = -n;
-       return(n);
+       return(f? -n: n);

 }
 }