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fix problem when invalid data is passed via stdin

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This commit is contained in:
Chris Cromer 2018-11-12 14:46:02 -03:00
parent a6731de4cd
commit d9aab389a1
Signed by: cromer
GPG Key ID: 39CC813FF3C8708A
1 changed files with 5 additions and 5 deletions
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src/sort.c
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@ -179,12 +179,12 @@ int main (int argc, char **argv) {
for (i = 0; i < n; i++) { for (i = 0; i < n; i++) {
if (elegir) { if (elegir) {
opt = 0; opt = 0;
while (opt <= 1) { fprintf(stdout, "Elegir elemento %lli: ", i + 1);
while (!fscanf(stdin, "%d", &opt)) {
// Falló, pide de nuevo después de limpiar stdin
while ((opt = getchar()) != '\n' && opt != EOF) { }
fprintf(stdout, "Número invalido! Tiene que ser mayor de 1!\n");
fprintf(stdout, "Elegir elemento %lli: ", i + 1); fprintf(stdout, "Elegir elemento %lli: ", i + 1);
fscanf(stdin, "%d", &opt);
if (opt <= 1) {
fprintf(stdout, "Número invalido! Tiene que ser mayor de 1!\n");
}
} }
array[i] = opt; array[i] = opt;
} }