Attachment 205441 Details for Bug 238692 – Rolls in own function to replace venerable gets()

[patch] Rolls in own function to replace venerable gets()

patch-obsolete-gets (text/plain), 974 bytes, created by Eygene Ryabinkin on 2019-06-30 20:17:12 UTC

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Creator: Eygene Ryabinkin

Created: 2019-06-30 20:17:12 UTC

Size: 974 bytes

patch

obsolete

>--- examples/pairs.c.orig	2019-06-30 22:57:59.603524000 +0300
>+++ examples/pairs.c	2019-06-30 23:06:55.659597000 +0300
>@@ -54,6 +54,18 @@
> #include <string.h>
> #include "prng.h"
> 
>+static void
>+safe_gets(char *buf, int size)
>+{
>+	size_t len;
>+
>+	if (fgets(buf, size, stdin) == NULL)
>+		return;
>+	len = strlen(buf);
>+	if (len && buf[len - 1] == '\n')
>+		buf[len - 1] = '\0';
>+}
>+
> struct prng_struct *generator;
> char outfile[200] = "pairs.out";
> FILE *out;
>@@ -71,7 +83,7 @@
> else
> 	{
> 	printf("\nGenerator ? ");
>-	gets(input);
>+	safe_gets(input, sizeof(input));
> 	g = prng_new(input);
> 	}
> 
>@@ -88,7 +100,7 @@
>  	{
> 	npairs = 10000;
> 	printf("\nHow many pairs [%d] ",npairs);
>-	gets(input);
>+	safe_gets(input, sizeof(input));
> 	if (input[0] != 0 ) npairs = atoi(input);
> 	}
> 
>@@ -97,7 +109,7 @@
> else
> 	{
> 	printf("Output filename ('-' for stdout) ? [%s] ",outfile);
>-	gets(input);
>+	safe_gets(input, sizeof(input));
> 	if (input[0] != 0 ) strncpy(outfile,input,100);
> 	}
>

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Attachments on bug 238692: 205441