From bdd37b4c1490caad4750402cee887bb19e3502d7 Mon Sep 17 00:00:00 2001 From: Bart Schaefer Date: Mon, 4 Apr 2022 13:20:45 -0700 Subject: 49990: casemodify() avoids metafying characters that it otherwise did not touch --- ChangeLog | 5 +++++ Src/hist.c | 19 ++++++++++++++----- 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 + + * 49990: Src/hist.c: in single-byte, like multibyte, casemodify() + avoids metafying characters that it otherwise did not touch + 2022-04-03 Bart Schaefer * 49955 (with thanks to Madhu ): 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 -- cgit 1.4.1