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Diffstat (limited to 'grep.c')
-rw-r--r--grep.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/grep.c b/grep.c
index 03ffcd4..62723da 100644
--- a/grep.c
+++ b/grep.c
@@ -41,6 +41,7 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
int err;
p->word_regexp = opt->word_regexp;
+ p->ignore_case = opt->ignore_case;
if (opt->fixed || is_fixed(p->pattern))
p->fixed = 1;
@@ -262,9 +263,15 @@ static void show_name(struct grep_opt *opt, const char *name)
printf("%s%c", name, opt->null_following_name ? '\0' : '\n');
}
-static int fixmatch(const char *pattern, char *line, regmatch_t *match)
+
+static int fixmatch(const char *pattern, char *line, int ignore_case, regmatch_t *match)
{
- char *hit = strstr(line, pattern);
+ char *hit;
+ if (ignore_case)
+ hit = strcasestr(line, pattern);
+ else
+ hit = strstr(line, pattern);
+
if (!hit) {
match->rm_so = match->rm_eo = -1;
return REG_NOMATCH;
@@ -326,7 +333,7 @@ static int match_one_pattern(struct grep_pat *p, char *bol, char *eol,
again:
if (p->fixed)
- hit = !fixmatch(p->pattern, bol, pmatch);
+ hit = !fixmatch(p->pattern, bol, p->ignore_case, pmatch);
else
hit = !regexec(&p->regexp, bol, 1, pmatch, eflags);
@@ -639,7 +646,7 @@ static int look_ahead(struct grep_opt *opt,
regmatch_t m;
if (p->fixed)
- hit = !fixmatch(p->pattern, bol, &m);
+ hit = !fixmatch(p->pattern, bol, p->ignore_case, &m);
else
hit = !regexec(&p->regexp, bol, 1, &m, 0);
if (!hit || m.rm_so < 0 || m.rm_eo < 0)