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); \
}
```
33 lines
680 B
C
33 lines
680 B
C
#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 buffer[72];
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int ret = sprintf(
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buffer,
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"This string fits in the buffer because it is only %d bytes in length",
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68
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);
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if (ret != 68) {
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printf("Failed! Return value was %d\n", ret);
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exit(EXIT_FAILURE);
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}
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memset(buffer, 0, sizeof(buffer));
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ret = snprintf(
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buffer,
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10,
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"This string is way longer and does not fit in the buffer because it %d bytes in length",
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86
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);
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if (ret != 86) {
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printf("Failed! Return value was %d\n", ret);
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exit(EXIT_FAILURE);
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}
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puts(buffer);
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}
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