File: strlenopt-31.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (25 lines) | stat: -rw-r--r-- 448 bytes parent folder | download | duplicates (6)
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
/* { dg-do run } */
/* { dg-options "-O2" } */

#include "strlenopt.h"

__attribute__((noinline, noclone)) int
bar (char *p1, const char *q)
{
  strcpy (p1, "abcde");
  char *p2 = strchr (p1, '\0');
  strcpy (p2, q);
  char *p3 = strchr (p2, '\0');
  memcpy (p3, "x", 2);
  return strlen (p1);
}

int
main (void)
{
  char buffer[10];
  int res = bar (buffer, "foo");
  if (strcmp (buffer, "abcdefoox") != 0 || res != 9)
    abort ();
  return 0;
}