summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog5
-rw-r--r--Src/hist.c19
2 files changed, 19 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 11ebb7d66..92e5b6716 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2022-04-04 Bart Schaefer <schaefer@zsh.org>
+
+ * 49990: Src/hist.c: in single-byte, like multibyte, casemodify()
+ avoids metafying characters that it otherwise did not touch
+
2022-04-03 Bart Schaefer <schaefer@zsh.org>
* 49955 (with thanks to Madhu <enometh@meer.net>): Src/glob.c:
diff --git a/Src/hist.c b/Src/hist.c
index d4557d424..f9440dba7 100644
--- a/Src/hist.c
+++ b/Src/hist.c
@@ -2252,6 +2252,7 @@ casemodify(char *str, int how)
#endif
while (*str) {
int c;
+ int mod = 0;
if (*str == Meta) {
c = str[1] ^ 32;
str += 2;
@@ -2259,13 +2260,17 @@ casemodify(char *str, int how)
c = *str++;
switch (how) {
case CASMOD_LOWER:
- if (isupper(c))
+ if (isupper(c)) {
c = tolower(c);
+ mod = 1;
+ }
break;
case CASMOD_UPPER:
- if (islower(c))
+ if (islower(c)) {
c = toupper(c);
+ mod = 1;
+ }
break;
case CASMOD_CAPS:
@@ -2273,14 +2278,18 @@ casemodify(char *str, int how)
if (!ialnum(c))
nextupper = 1;
else if (nextupper) {
- if (islower(c))
+ if (islower(c)) {
c = toupper(c);
+ mod = 1;
+ }
nextupper = 0;
- } else if (isupper(c))
+ } else if (isupper(c)) {
c = tolower(c);
+ mod = 1;
+ }
break;
}
- if (imeta(c)) {
+ if (mod && imeta(c)) {
*ptr2++ = Meta;
*ptr2++ = c ^ 32;
} else