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| author | Paul Eggert <eggert@cs.ucla.edu> | 2021-11-12 21:34:12 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2021-11-14 12:13:28 -0800 |
| commit | 3935b2a4f656e8435812df25cf7aab9f7e61b406 (patch) | |
| tree | 816f7294bf4110606777e8c73ad9b6c81329cff2 /src | |
| parent | 6f84f3be1cdd3aadacc42007582116d1c2c0a3e4 (diff) | |
| download | grep-3935b2a4f656e8435812df25cf7aab9f7e61b406.tar.gz | |
grep: improve pcre2_get_error_message comments
* src/pcresearch.c (Pcompile): Improve comments re
pcre2_get_error_message buffer.
Diffstat (limited to 'src')
| -rw-r--r-- | src/pcresearch.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/pcresearch.c b/src/pcresearch.c index bf966f80..286e1dc3 100644 --- a/src/pcresearch.c +++ b/src/pcresearch.c @@ -112,7 +112,6 @@ Pcompile (char *pattern, idx_t size, reg_syntax_t ignored, bool exact) { PCRE2_SIZE e; int ec; - PCRE2_UCHAR8 ep[128]; /* 120 code units is suggested to avoid truncation */ static char const wprefix[] = "(?<!\\w)(?:"; static char const wsuffix[] = ")(?!\\w)"; static char const xprefix[] = "^(?:"; @@ -168,7 +167,9 @@ Pcompile (char *pattern, idx_t size, reg_syntax_t ignored, bool exact) pc->cre = pcre2_compile (re, n - (char *)re, flags, &ec, &e, ccontext); if (!pc->cre) { - pcre2_get_error_message (ec, ep, sizeof (ep)); + enum { ERRBUFSIZ = 256 }; /* Taken from pcre2grep.c ERRBUFSIZ. */ + PCRE2_UCHAR8 ep[ERRBUFSIZ]; + pcre2_get_error_message (ec, ep, sizeof ep); die (EXIT_TROUBLE, 0, "%s", ep); } |