74 lines
1.1 KiB
C
74 lines
1.1 KiB
C
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//////////////////////////////
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// control flow analysis
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//////////////////////////////
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int buf[2];
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void in_if(int a) {
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if (a==100)
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buf[a] = 0; // BUG
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}
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void before_if(int a) {
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buf[a] = 0; // WARNING
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if (a==100) {}
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}
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void after_if(int a) {
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if (a==100) {}
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buf[a] = 0; // WARNING
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}
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void in_for(void) {
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int x;
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for (x = 0; x<100; x++) {
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buf[x] = 0; // BUG
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}
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}
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void after_for(void) {
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int x;
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for (x = 0; x<100; x++) {}
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buf[x] = 0; // BUG
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}
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void in_switch(int x) {
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switch (x) {
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case 100:
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buf[x] = 0; // BUG
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break;
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}
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}
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void before_switch(int x) {
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buf[x] = 0; // WARNING
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switch (x) {
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case 100:
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break;
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}
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}
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void after_switch(int x) {
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switch (x) {
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case 100:
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break;
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}
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buf[x] = 0; // WARNING
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}
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void in_while(void) {
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int x = 0;
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while (x<100) {
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buf[x] = 0; // BUG
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x++;
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}
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}
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void after_while(void) {
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int x = 0;
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while (x<100)
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x++;
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buf[x] = 0; // BUG
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}
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