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fix substring allocation

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This commit is contained in:
Thomas von Dein
2025-11-21 14:01:46 +01:00
parent 96b966892c
commit 314dafa164
1 changed files with 11 additions and 9 deletions
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16
engine.cc
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@@ -325,15 +325,18 @@ void Engine::regexp() {
cerr << "Token " << config.token << " did not produce sub strings!\n"; cerr << "Token " << config.token << " did not produce sub strings!\n";
else { else {
ovector = pcre2_get_ovector_pointer(match_data); ovector = pcre2_get_ovector_pointer(match_data);
const char *constline = const_cast<char*>(line.c_str());
for (int i = 0; i < num; i++) {
char * substring_start = const_cast<char*>(line.c_str()) + ovector[2*i];
if (i == 2) { for (int i = 1; i < num; i++) {
break; PCRE2_SPTR substring_start = (PCRE2_SPTR8)constline + ovector[2*i];
} PCRE2_SIZE substring_length = ovector[2*i+1] - ovector[2*i];
subs[i] = substring_start; char *part = (char *)malloc(substring_length+1);
part = strncpy(part, (char *)substring_start, substring_length);
subs[i-1] = part;
free(part);
} }
if(config.reverse) { if(config.reverse) {
@@ -348,7 +351,6 @@ void Engine::regexp() {
delete[] subs; delete[] subs;
line = ""; line = "";
} }
value = encode(value); value = encode(value);