mirror of https://github.com/cc65/cc65.git
135 lines
1.8 KiB
C
135 lines
1.8 KiB
C
/*
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!!DESCRIPTION!! Pointer tests
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!!ORIGIN!! SDCC regression tests
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!!LICENCE!! GPL, read COPYING.GPL
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*/
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#include <stdio.h>
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#include <limits.h>
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unsigned char success = 0;
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unsigned char failures = 0;
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unsigned char dummy = 0;
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#ifdef SUPPORT_BIT_TYPES
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bit bit0 = 0;
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#endif
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unsigned int aint0 = 0;
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unsigned int aint1 = 0;
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unsigned char achar0 = 0;
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unsigned char achar1 = 0;
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unsigned char *acharP = 0;
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char buff[10];
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void
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done ()
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{
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dummy++;
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}
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void
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f1 (unsigned char *ucP)
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{
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if (ucP == 0)
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{
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failures++;
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return;
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}
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if (*ucP)
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failures++;
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}
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void
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f2 (unsigned int *uiP)
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{
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if (uiP == 0)
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{
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failures++;
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return;
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}
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if (*uiP)
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failures++;
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}
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unsigned char *
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f3 (void)
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{
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return &achar0;
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}
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void f4(unsigned char *ucP, unsigned char uc)
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{
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if(!ucP) {
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failures++;
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return;
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}
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if(*ucP != uc)
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failures++;
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}
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void init_array(char start_value)
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{
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unsigned char c;
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for(c=0; c<sizeof(buff); c++)
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buff[c] = start_value++;
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}
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void check_array(char base_value)
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{
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unsigned char c;
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for(c=0; c<sizeof(buff); c++)
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if(buff[c] != (base_value+c))
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failures++;
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}
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void index_by_pointer(unsigned char *index, unsigned char expected_value)
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{
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if(buff[*index] != expected_value)
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failures++;
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}
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int
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main (void)
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{
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init_array(4);
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check_array(4);
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if(buff[achar0 + 7] != 4+7)
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failures++;
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dummy = buff[achar0];
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if(dummy != 4)
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failures++;
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if(dummy != (buff[achar0+1] -1))
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failures++;
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index_by_pointer(&dummy, 8);
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f1 (&achar0);
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f2 (&aint0);
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acharP = f3 ();
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if ((acharP == 0) || (*acharP))
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failures++;
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achar0 = 42;
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if(*acharP != 42)
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failures++;
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achar0 = 5;
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f4(&achar0, achar0);
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success = failures;
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done ();
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printf("failures: %d\n",failures);
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return failures;
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}
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