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Fix possible buffer overflows.

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Dale Weiler 2013-04-13 18:17:15 +00:00
parent 95172861f5
commit 3f40fcb965
2 changed files with 6 additions and 7 deletions
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1
Makefile
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@ -150,7 +150,6 @@ SPLINTFLAGS = \
-kepttrans \ -kepttrans \
-unqualifiedtrans \ -unqualifiedtrans \
+matchanyintegral \ +matchanyintegral \
-bufferoverflowhigh \
+voidabstract \ +voidabstract \
-nullassign \ -nullassign \
-unrecog \ -unrecog \

12
ftepp.c
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@ -124,7 +124,7 @@ char *ftepp_predef_line(lex_file *context) {
char *ftepp_predef_file(lex_file *context) { char *ftepp_predef_file(lex_file *context) {
size_t length = strlen(context->name) + 3; /* two quotes and a terminator */ size_t length = strlen(context->name) + 3; /* two quotes and a terminator */
char *value = (char*)mem_a(length); char *value = (char*)mem_a(length);
sprintf(value, "\"%s\"", context->name); snprintf(value, length, "\"%s\"", context->name);
return value; return value;
} }
@ -834,7 +834,7 @@ static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *param
if (resetline && !ftepp->in_macro) { if (resetline && !ftepp->in_macro) {
char lineno[128]; char lineno[128];
sprintf(lineno, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline)); snprintf(lineno, 128, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
ftepp_out(ftepp, lineno, false); ftepp_out(ftepp, lineno, false);
} }
@ -1800,12 +1800,12 @@ bool ftepp_init()
minor[2] = '"'; minor[2] = '"';
} else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) { } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
ftepp_add_define(NULL, "__STD_GMQCC__"); ftepp_add_define(NULL, "__STD_GMQCC__");
sprintf(major, "\"%d\"", GMQCC_VERSION_MAJOR); snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
sprintf(minor, "\"%d\"", GMQCC_VERSION_MINOR); snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
} else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCCX) { } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCCX) {
ftepp_add_define(NULL, "__STD_QCCX__"); ftepp_add_define(NULL, "__STD_QCCX__");
sprintf(major, "\"%d\"", GMQCC_VERSION_MAJOR); snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
sprintf(minor, "\"%d\"", GMQCC_VERSION_MINOR); snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
} else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) { } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
ftepp_add_define(NULL, "__STD_QCC__"); ftepp_add_define(NULL, "__STD_QCC__");
/* 1.0 */ /* 1.0 */