diff options
Diffstat (limited to 'gnu/usr.bin/patch/pch.c')
-rw-r--r-- | gnu/usr.bin/patch/pch.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gnu/usr.bin/patch/pch.c b/gnu/usr.bin/patch/pch.c index 71bbd25..c9ab9ce 100644 --- a/gnu/usr.bin/patch/pch.c +++ b/gnu/usr.bin/patch/pch.c @@ -434,6 +434,30 @@ malformed () /* about as informative as "Syntax error" in C */ } +/* + * True if the line has been discarded (i.e. it is a line saying + * "\ No newline at end of file".) + */ +static bool +remove_special_line(void) +{ + int c; + + c = fgetc(pfp); + if (c == '\\') { + do { + c = fgetc(pfp); + } while (c != EOF && c != '\n'); + + return TRUE; + } + + if (c != EOF) + fseek(pfp, -1, SEEK_CUR); + + return FALSE; +} + /* True if there is more of the current diff listing to process. */ bool @@ -641,6 +665,15 @@ another_hunk() p_end--; return FALSE; } + if (p_end == p_ptrn_lines) + { + if (remove_special_line()) { + int len; + + len = strlen(p_line[p_end]) - 1; + (p_line[p_end])[len] = 0; + } + } break; case '\t': case '\n': /* assume the 2 spaces got eaten */ if (repl_beginning && repl_could_be_missing && @@ -768,6 +801,14 @@ another_hunk() assert(fillsrc==p_end+1 || fillsrc==repl_beginning); assert(filldst==p_end+1 || filldst==repl_beginning); } + + if (p_line[p_end] != NULL) + { + if (remove_special_line()) { + p_len[p_end] -= 1; + (p_line[p_end])[p_len[p_end]] = 0; + } + } } else if (diff_type == UNI_DIFF) { long line_beginning = ftell(pfp); @@ -865,6 +906,12 @@ another_hunk() p_Char[fillsrc] = ch; p_line[fillsrc] = s; p_len[fillsrc++] = strlen(s); + if (fillsrc > p_ptrn_lines) { + if (remove_special_line()) { + p_len[fillsrc - 1] -= 1; + s[p_len[fillsrc - 1]] = 0; + } + } break; case '=': ch = ' '; @@ -900,6 +947,12 @@ another_hunk() p_Char[filldst] = ch; p_line[filldst] = s; p_len[filldst++] = strlen(s); + if (fillsrc > p_ptrn_lines) { + if (remove_special_line()) { + p_len[filldst - 1] -= 1; + s[p_len[filldst - 1]] = 0; + } + } break; default: p_end = filldst; @@ -975,6 +1028,12 @@ another_hunk() p_len[i] = strlen(p_line[i]); p_Char[i] = '-'; } + + if (remove_special_line()) { + p_len[i-1] -= 1; + (p_line[i-1])[p_len[i-1]] = 0; + } + if (hunk_type == 'c') { ret = pgets(buf, sizeof buf, pfp); p_input_line++; @@ -1007,6 +1066,11 @@ another_hunk() p_len[i] = strlen(p_line[i]); p_Char[i] = '+'; } + + if (remove_special_line()) { + p_len[i-1] -= 1; + (p_line[i-1])[p_len[i-1]] = 0; + } } if (reverse) /* backwards patch? */ if (!pch_swap()) |