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