thepigeongenerator/coinflip
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add error management script

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This commit is contained in:
Quinn
2025-04-06 17:23:22 +02:00
parent 50964df129
commit 40aa1b59e6
1 changed files with 12 additions and 5 deletions
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17
src/main.c
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@@ -1,10 +1,20 @@
#include <errno.h> #include <errno.h>
#include <linux/time.h> #include <linux/time.h>
#include <stdarg.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <stdnoreturn.h>
#include <time.h> #include <time.h>
noreturn static inline void error(char* fmt, ...) {
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
exit(1);
}
int main(int argc, char** argv) { int main(int argc, char** argv) {
// set the seed to the number of seconds xor with nanoseconds // set the seed to the number of seconds xor with nanoseconds
{ {
@@ -27,11 +37,8 @@ int main(int argc, char** argv) {
// get the integer from the string, return 1 if an error occurred // get the integer from the string, return 1 if an error occurred
errno = 0; errno = 0;
long c = strtol(argv[i], NULL, 10); long const c = strtol(argv[i], NULL, 10);
if (errno == EINVAL) { if (errno == EINVAL) error("syntax error for string: %s\n", argv[i]);
fprintf(stderr, "syntax error for string: %s\n", argv[i]);
return 1;
}
// perform for the input count // perform for the input count
for (long j = 0; j < c; ++j) { for (long j = 0; j < c; ++j) {