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Check return value of Str... functions

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All these functions, StrmyUFgets, StrISgets, etc. can potentially return
NULL. Add a check for it.
This commit is contained in:
Rene Kita
2022-04-15 12:42:24 +02:00
parent d33a522936
commit 9eaf044c02
4 changed files with 18 additions and 13 deletions
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4
frame.c
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@@ -532,7 +532,7 @@ createFrameFile(struct frameset *f, FILE * f1, Buffer *current, int level,
!strcasecmp(frame.body->type, "text/plain")) {
Str tmp;
fprintf(f1, "<pre>\n");
while ((tmp = StrmyUFgets(&f2))->length) {
while ((tmp = StrmyUFgets(&f2)) && tmp->length) {
tmp = convertLine(NULL, tmp, HTML_MODE, &charset,
doc_charset);
fprintf(f1, "%s", html_quote(tmp->ptr));
@@ -549,7 +549,7 @@ createFrameFile(struct frameset *f, FILE * f1, Buffer *current, int level,
do {
if (*p == '\0') {
Str tmp = StrmyUFgets(&f2);
if (tmp->length == 0)
if (!tmp || tmp->length == 0)
break;
tmp = convertLine(NULL, tmp, HTML_MODE, &charset,
doc_charset);