diff options
Diffstat (limited to 'Src/hist.c')
| -rw-r--r-- | Src/hist.c | 19 |
1 files changed, 14 insertions, 5 deletions
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 |