📄 sprintf.c
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/* Copyright (C) 2003 Free Software Foundation. Test sprintf optimizations don't break anything and return the correct results. Written by Roger Sayle, June 22, 2003. */static char buffer[32];extern void abort ();typedef __SIZE_TYPE__ size_t;extern int sprintf(char*, const char*, ...);extern void *memset(void*, int, size_t);extern int memcmp(const void*, const void*, size_t);void test1(){ sprintf(buffer,"foo");}int test2(){ return sprintf(buffer,"foo");}void test3(){ sprintf(buffer,"%s","bar");}int test4(){ return sprintf(buffer,"%s","bar");}void test5(char *ptr){ sprintf(buffer,"%s",ptr);}voidmain_test (void){ memset (buffer, 'A', 32); test1 (); if (memcmp(buffer, "foo", 4) || buffer[4] != 'A') abort (); memset (buffer, 'A', 32); if (test2 () != 3) abort (); if (memcmp(buffer, "foo", 4) || buffer[4] != 'A') abort (); memset (buffer, 'A', 32); test3 (); if (memcmp(buffer, "bar", 4) || buffer[4] != 'A') abort (); memset (buffer, 'A', 32); if (test4 () != 3) abort (); if (memcmp(buffer, "bar", 4) || buffer[4] != 'A') abort (); memset (buffer, 'A', 32); test5 ("barf"); if (memcmp(buffer, "barf", 5) || buffer[5] != 'A') abort ();}
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