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[pattern] Fix handling of escaped characters

personal/stbuehler/wip
Stefan Bühler 2010-09-26 19:47:00 +02:00
parent f11b5f45c2
commit eecf0d90be
1 changed files with 13 additions and 14 deletions
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27
src/main/pattern.c
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@ -120,29 +120,28 @@ liPattern *li_pattern_new(liServer *srv, const gchar* str) {
}
} else {
/* string */
gchar *first = c;
c++;
gchar *first;
for (;;) {
if (*c == '\0' || *c == '?' || *c == '$' || *c == '%') {
break;
} else if (*c == '\\') {
part.type = PATTERN_STRING;
part.data.str= g_string_sized_new(0);
/* copy every chunk between escapes into dest buffer */
for (first = c ; *c && '?' != *c && '$' != *c && '%' != *c; c++) {
if (*c == '\\') {
if (first != c) g_string_append_len(part.data.str, first, c - first);
c++;
if (*c == '\\' || *c == '?' || *c == '$' || *c == '%') {
c++;
} else {
first = c;
if (*c != '\\' && *c != '?' && *c != '$' && *c != '%') {
/* parse error */
ERROR(srv, "could not parse pattern: \"%s\"", str);
ERROR(srv, "could not parse pattern: invalid escape in \"%s\"", str);
g_string_free(part.data.str, TRUE);
li_pattern_free((liPattern*)pattern);
return NULL;
}
} else {
c++;
}
}
if (first != c) g_string_append_len(part.data.str, first, c - first);
part.type = PATTERN_STRING;
part.data.str= g_string_new_len(first, c - first);
g_array_append_val(pattern, part);
}
}