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); \
}
```
30 lines
519 B
C
30 lines
519 B
C
#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(void) {
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char* path = realpath("stdlib/realpath.c", NULL);
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if (!path) {
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perror("realpath");
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exit(EXIT_FAILURE);
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}
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puts(path);
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free(path);
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path = malloc(PATH_MAX);
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memset(path, 0, PATH_MAX);
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realpath("stdlib/realpath.c", path);
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if (!path) {
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perror("realpath");
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free(path);
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exit(EXIT_FAILURE);
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}
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puts(path);
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free(path);
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}
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