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tccpp.c: Guard against ppfp being NULL

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Missed these in e946eb2a4109e0de5f8514457f851897a4824c3e
This commit is contained in:
Vlad Vissoultchev 2016-04-13 10:48:15 +03:00
parent 6a49afb3ed
commit 810a677d32
2 changed files with 18 additions and 24 deletions
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9
tcc.c
View File

@ -303,13 +303,8 @@ int main(int argc, char **argv)
tcc_error("could not write '%s'", s->outfile);
}
s->dffp = s->ppfp;
if (s->dflag == 'M') {
#ifndef TCC_TARGET_PE
s->ppfp = fopen("/dev/null", "w");
#else
s->ppfp = fopen("nul", "w");
#endif
}
if (s->dflag == 'M')
s->ppfp = NULL;
}
tcc_set_output_type(s, s->output_type);

33
tccpp.c
View File

@ -1072,20 +1072,18 @@ static int macro_is_equal(const int *a, const int *b)
static void pp_line(TCCState *s1, BufferedFile *f, int level)
{
int d = f->line_num - f->line_ref;
if (s1->Pflag == LINE_MACRO_OUTPUT_FORMAT_NONE
|| (level == 0 && f->line_ref && d < 8))
{
while (d > 0)
fputs("\n", s1->ppfp), --d;
}
else
if (s1->Pflag == LINE_MACRO_OUTPUT_FORMAT_STD) {
fprintf(s1->ppfp, "#line %d \"%s\"\n", f->line_num, f->filename);
}
else {
fprintf(s1->ppfp, "# %d \"%s\"%s\n", f->line_num, f->filename,
level > 0 ? " 1" : level < 0 ? " 2" : "");
if (s1->ppfp) {
int d = f->line_num - f->line_ref;
if (s1->Pflag == LINE_MACRO_OUTPUT_FORMAT_NONE
|| (level == 0 && f->line_ref && d < 8)) {
while (d > 0)
fputs("\n", s1->ppfp), --d;
} else if (s1->Pflag == LINE_MACRO_OUTPUT_FORMAT_STD) {
fprintf(s1->ppfp, "#line %d \"%s\"\n", f->line_num, f->filename);
} else {
fprintf(s1->ppfp, "# %d \"%s\"%s\n", f->line_num, f->filename,
level > 0 ? " 1" : level < 0 ? " 2" : "");
}
}
f->line_ref = f->line_num;
}
@ -3473,16 +3471,17 @@ ST_FUNC int tcc_preprocess(TCCState *s1)
continue;
}
pp_line(s1, file, 0);
while (spcs)
while (s1->ppfp && spcs > 0)
fputs(" ", s1->ppfp), --spcs;
spcs = 0;
token_seen = 1;
} else if (tok == TOK_LINEFEED) {
++file->line_ref;
token_seen = 0;
}
fputs(get_tok_str(tok, &tokc), s1->ppfp);
if (s1->ppfp)
fputs(get_tok_str(tok, &tokc), s1->ppfp);
}
return 0;