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fix(find.c): Ensure 'pattlen' is non-zero

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Sau P
2024-12-14 15:15:44 +00:00
committed by agvxov
parent 59c17475e4
commit 0b95ea9172
1 changed files with 7 additions and 3 deletions
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10
source/find.c
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@ -694,9 +694,13 @@ int findinit(const char *pattern_) {
/* Pattern length */ /* Pattern length */
size_t pattlen = strlen(pattern); size_t pattlen = strlen(pattern);
/* remove trailing white space */ /* 04-12-2024 23:27 yama
for(s = pattern + (pattlen - 1); isspace((unsigned char)*s); --s) { * NOTE: It is necessary to check the length because 'pattern' && 'pattern_'
*s = '\0'; could be non-null while still being 0 length.
*/
if (pattlen == 0) {
free(pattern);
return NOTSYMBOL;
} }
/* Make sure pattern is lowercased. Curses /* Make sure pattern is lowercased. Curses