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authorMatheus Izvekov <mizvekov@gmail.com>2010-01-18 16:25:46 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2010-01-20 01:44:44 (GMT)
commitb7a044043ceae800a1f7abd69b107876ad5e9d40 (patch)
treec8f216e658d9be0fce61419671cb92283e2f4583
parent302af9e3d1ea7e83f382b9c97fa9fe4099345126 (diff)
downloadbusybox-b7a044043ceae800a1f7abd69b107876ad5e9d40.tar.gz
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diff: honor flag -i (ignore case differences)
>>From 503a1e1d2597f7cdf86a9ea39ebd2aee050ca759 Mon Sep 17 00:00:00 2001 From: Matheus Izvekov <mizvekov@gmail.com> Date: Mon, 18 Jan 2010 14:06:26 -0200 Subject: [PATCH] diff: honor flag -i (ignore case differences) function old new delta read_token 157 178 +21 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 21/0) Total: 21 bytes text data bss dec hex filename 70102 733 8576 79411 13633 busybox_old 70123 733 8576 79432 13648 busybox_unstripped Signed-off-by: Matheus Izvekov <mizvekov@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--editors/diff.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/editors/diff.c b/editors/diff.c
index 0c75873..ef20305 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -94,7 +94,7 @@ enum { /* Commandline flags */
FLAG_a,
FLAG_b,
FLAG_d,
- FLAG_i, /* unused */
+ FLAG_i,
FLAG_L, /* unused */
FLAG_N,
FLAG_q,
@@ -177,6 +177,9 @@ static int read_token(FILE_and_pos_t *ft, token_t tok)
if (t == '\n')
tok |= TOK_EOL;
+ if (option_mask32 & FLAG(i)) /* Handcoded tolower() */
+ t = (t >= 'A' && t <= 'Z') ? t - ('A' - 'a') : t;
+
if ((option_mask32 & FLAG(w)) && is_space)
continue;