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); \
}
```
21 lines
371 B
C
21 lines
371 B
C
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(void) {
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FILE *fp = fopen("stdio/fread.in", "rb");
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char buf[33] = { 0 };
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for (int i = 1; i <= 32; ++i) {
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if (fread(buf, 1, i, fp) < 0) {
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perror("fread");
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exit(EXIT_FAILURE);
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}
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buf[i] = 0;
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printf("%s\n", buf);
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}
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fclose(fp);
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}
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