diff options
| -rw-r--r-- | usr.bin/sed/compile.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/usr.bin/sed/compile.c b/usr.bin/sed/compile.c index 2076297..8265ff8 100644 --- a/usr.bin/sed/compile.c +++ b/usr.bin/sed/compile.c @@ -467,7 +467,7 @@ compile_subst(p, s) int asize, size; u_char ref; char c, *text, *op, *sp; - int more = 1; + int more = 1, sawesc = 0; c = *p++; /* Terminator character */ if (c == '\0') @@ -482,9 +482,29 @@ compile_subst(p, s) do { op = sp = text + size; for (; *p; p++) { - if (*p == '\\') { - p++; - if (strchr("123456789", *p) != NULL) { + if (*p == '\\' || sawesc) { + /* + * If this is a continuation from the last + * buffer, we won't have a character to + * skip over. + */ + if (sawesc) + sawesc = 0; + else + p++; + + if (*p == '\0') { + /* + * This escaped character is continued + * in the next part of the line. Note + * this fact, then cause the loop to + * exit w/ normal EOL case and reenter + * above with the new buffer. + */ + sawesc = 1; + p--; + continue; + } else if (strchr("123456789", *p) != NULL) { *sp++ = '\\'; ref = *p - '0'; if (s->re != NULL && |
