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
472 B
C
16 lines
472 B
C
#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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int main(void) {
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if (access("example_dir/1-never-gonna-give-you-up", R_OK | W_OK)) {
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perror("access");
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exit(EXIT_FAILURE);
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}
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if (!access("example_dir/1-never-gonna-give-you-up", X_OK)) {
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puts("Accessing a file with X_OK worked even though it... probably... shouldn't?");
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puts("Please run `chmod 644 example_dir/*` and try again.");
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exit(EXIT_FAILURE);
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}
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}
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