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https://github.com/RolandWH/ceesort.git
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switch from scanf to safer fgets
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parent
e260cf38dc
commit
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@ -13,6 +13,7 @@
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#include <stdbool.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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inline void quit_err(const char* msg)
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@ -51,20 +52,28 @@ int main(int argc, char** argv)
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}
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int n = argc - 1;
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/*
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* The line:
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* buffer[strcspn(buffer, "\n")] = 0;
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* Strips trailing newline, so "2\n" becomes "2"
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*/
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char choice_str[16];
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printf(
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"1. Binary search\n"
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"2. Bubble sort\n"
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"Please pick a mode of operation: "
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);
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scanf("%s", choice_str);
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fgets(choice_str, 16, stdin);
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choice_str[strcspn(choice_str, "\n")] = 0;
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// TODO: Add checking that number is in range
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while (!isint(choice_str))
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{
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printf("Sorry but you must enter a number between 1 and 2\n");
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printf("Try again: ");
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scanf("%s", choice_str);
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fgets(choice_str, 16, stdin);
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choice_str[strcspn(choice_str, "\n")] = 0;
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}
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int choice = atoi(choice_str);
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@ -72,11 +81,12 @@ int main(int argc, char** argv)
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{
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char target_str[16];
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printf("Enter number to search for: ");
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scanf("%s", target_str);
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fgets(target_str, 16, stdin);
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target_str[strcspn(target_str, "\n")] = 0;
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while (!isint(target_str))
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{
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printf("Sorry but you must enter a whole number, try again: ");
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scanf("%s", target_str);
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fgets(target_str, 16, stdin);
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}
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int target = atoi(target_str);
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