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Overview
| Comment: | Fix the comment formatter so that it does not crash with ill-formatted VT100 escapes. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
2aa79ed7521b6c6c732ccd2a95d8b320 |
| User & Date: | drh 2025-02-26 21:03:37.702 |
Context
|
2025-02-27
| ||
| 01:50 | Extend the fuzzer to have the ability to run comment_print(). check-in: 8639f9b2d5 user: drh tags: trunk | |
|
2025-02-26
| ||
| 21:03 | Fix the comment formatter so that it does not crash with ill-formatted VT100 escapes. check-in: 2aa79ed752 user: drh tags: trunk | |
| 19:44 | Honor the "y=h" query option on the /search page even if help-search is disabled, but otherwise do not advertise help-search when it is disabled. check-in: 2e9e3695ae user: drh tags: trunk | |
Changes
Changes to src/comformat.c.
| ︙ | ︙ | |||
261 262 263 264 265 266 267 |
int i = 0; /* Counted bytes. */
int cchUTF8 = 1; /* Code units consumed. */
int maxUTF8 = 1; /* Expected sequence length. */
char c = z[i++];
if( c==0x1b && z[i]=='[' ){
do{
i++;
| | > | | | > | 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 |
int i = 0; /* Counted bytes. */
int cchUTF8 = 1; /* Code units consumed. */
int maxUTF8 = 1; /* Expected sequence length. */
char c = z[i++];
if( c==0x1b && z[i]=='[' ){
do{
i++;
}while( i<fossil_isdigit(z[i]) || z[i]==';' );
if( fossil_isalpha(z[i]) ){
*pCchUTF8 = i+1;
*pUtf32 = 0x301; /* A zero-width character */
return;
}
}
if( (c&0x80)==0x00 ){ /* 7-bit ASCII character. */
*pCchUTF8 = 1;
*pUtf32 = (int)z[0];
return;
}
else if( (c&0xe0)==0xc0 ) maxUTF8 = 2; /* UTF-8 lead byte 110vvvvv */
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| ︙ | ︙ |