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finish 5.9

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firmianay
2018-05-14 14:12:33 +08:00
parent 02e30ea8be
commit 4da0a7a15f
9 changed files with 283 additions and 136 deletions
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12
src/others/4.3_gcc_arg/t_mcheck.c Normal file
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#include <stdlib.h>
#include <stdio.h>
void main() {
char *p;
p = malloc(1000);
fprintf(stderr, "About to free\n");
free(p);
fprintf(stderr, "About to free a second time\n");
free(p);
fprintf(stderr, "Finish\n");
}

21
src/others/4.3_gcc_arg/t_mtrace.c Normal file
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#include <stdlib.h>
#include <stdio.h>
#include <mcheck.h>
void main() {
char *p;
mtrace();
calloc(16, 16);
fprintf(stderr, "calloc some chunks that will not be freed\n");
p = malloc(1000);
fprintf(stderr, "About to free\n");
free(p);
fprintf(stderr, "About to free a second time\n");
free(p);
fprintf(stderr, "Finish\n");
muntrace();
}