diff options
Diffstat (limited to 'Src/hist.c')
| -rw-r--r-- | Src/hist.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/Src/hist.c b/Src/hist.c index 561e2acd5..5e962e92f 100644 --- a/Src/hist.c +++ b/Src/hist.c @@ -927,7 +927,8 @@ hbegin(int dohist) void histreduceblanks(void) { - int i, len, pos, needblank, spacecount = 0; + int i, len, pos, needblank, spacecount = 0, trunc_ok; + char *lastptr, *ptr; if (isset(HISTIGNORESPACE)) while (chline[spacecount] == ' ') spacecount++; @@ -939,6 +940,12 @@ histreduceblanks(void) if (chline[len] == '\0') return; + /* Remember where the delimited words end */ + if (chwordpos) + lastptr = chline + chwords[chwordpos-1]; + else + lastptr = chline; + for (i = 0, pos = spacecount; i < chwordpos; i += 2) { len = chwords[i+1] - chwords[i]; needblank = (i < chwordpos-2 && chwords[i+2] > chwords[i+1]); @@ -949,7 +956,25 @@ histreduceblanks(void) } pos += len + needblank; } - chline[pos] = '\0'; + + /* + * A terminating comment isn't recorded as a word. + * Only truncate the line if just whitespace remains. + */ + trunc_ok = 1; + for (ptr = lastptr; *ptr; ptr++) { + if (!inblank(*ptr)) { + trunc_ok = 0; + break; + } + } + if (trunc_ok) { + chline[pos] = '\0'; + } else { + ptr = chline + pos; + while ((*ptr++ = *lastptr++)) + ; + } } /**/ |