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style: prefer snprintf to sprintf

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* src/symtab.c (dummy_symbol_get): There's no need for the buffer to
be so big and static.
Use snprintf for safety.
This commit is contained in:
Akim Demaille
2019-02-02 10:13:22 +01:00
parent 9566232422
commit d459a5b8e6
3 changed files with 6 additions and 4 deletions
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7
src/symtab.c
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@@ -23,6 +23,7 @@
#include "system.h"
#include <assure.h>
#include <hash.h>
#include "complain.h"
@@ -865,9 +866,9 @@ dummy_symbol_get (location loc)
{
/* Incremented for each generated symbol. */
static int dummy_count = 0;
static char buf[256];
sprintf (buf, "$@%d", ++dummy_count);
char buf[32];
int len = snprintf (buf, sizeof buf, "$@%d", ++dummy_count);
assure (len < sizeof buf);
symbol *sym = symbol_get (buf, loc);
sym->content->class = nterm_sym;
sym->content->number = nvars++;