Tibor Nagy
d1a424c002
This will allow us to redefine the exit function.
For example:
```
#define exit(code) { \
fprintf(stderr, "%s:%d: exit(%s) in function ‘%s’\n",
__FILE__, __LINE__, #code, __func__); \
_exit(code); \
}
```
16 lines
325 B
C
16 lines
325 B
C
#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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int main(void) {
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int fd = creat("create.out", 0755);
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if (fd >= 0) {
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write(fd, "Hello World!\n", 13);
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close(fd);
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exit(EXIT_SUCCESS);
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} else {
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write(STDERR_FILENO, "creat failed\n", 13);
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exit(EXIT_FAILURE);
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}
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}
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