File: 20040121-1.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A7-2018-q2-5
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 539,188 kB
  • sloc: ansic: 2,739,935; cpp: 848,238; ada: 602,637; makefile: 62,919; asm: 55,635; xml: 46,238; exp: 23,020; sh: 19,616; python: 6,371; pascal: 3,889; awk: 3,278; perl: 2,691; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (29 lines) | stat: -rw-r--r-- 581 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 


/* Test that (p!=0) + (q!=0) is computed as int,
    not boolean */
/* { dg-options "-O3" } */
/* { dg-do run } */
extern void abort (void);
char *foo(char *p, char *q) {
    int x = (p !=0) + (q != 0);
    if (x==2)  return "a"; else return 0;
}
extern char *bar(char*, char*) __attribute__((noinline));
char *bar(char *first, char *last)
{
   int y;
   if (!first)  return last;
   if (!last)   return first;
   if (*first == 'a')
     return foo(first, last);
   return 0;
}
int
main() {
   char *p = "a", *q = "b";
   if (p)
     if (bar(p,q))
       return 0;
   abort();
}