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init: Print a warning when non-ASCII encoding is used in a modeline.

This commit is contained in:
Emmanuel Lepage Vallee 2020-02-04 02:13:03 -05:00
parent 9cbc8a18c0
commit d0187055d8
1 changed files with 8 additions and 1 deletions
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9
options.c
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@ -122,8 +122,15 @@ options_init_config(char *execpath, char *configpath, int *init_flags, string_ar
/* Simple state machine to translate both modeline and shebang into argv */
for (int i = 0; (c = file_buf[i++]) != '\0';) {
/* Be very permissive, skip the unknown, UTF is not allowed */
if ((c > 126 || c < 32) && c != 10 && c != 13 && c != 9)
if ((c > 126 || c < 32) && c != 10 && c != 13 && c != 9) {
static bool once = true;
/* Print a warning once */
if (once) {
fprintf(stderr, "WARNING: modelines must use ASCII\n");
once = false;
}
continue;
}
switch (state) {
case MODELINE_STATE_INIT: