diff options
Diffstat (limited to 'contrib/libedit/filecomplete.c')
| -rw-r--r-- | contrib/libedit/filecomplete.c | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/contrib/libedit/filecomplete.c b/contrib/libedit/filecomplete.c index 6dc7cff1d055..ee017fb406d5 100644 --- a/contrib/libedit/filecomplete.c +++ b/contrib/libedit/filecomplete.c @@ -1,4 +1,4 @@ -/* $NetBSD: filecomplete.c,v 1.68 2021/05/05 14:49:59 christos Exp $ */ +/* $NetBSD: filecomplete.c,v 1.72 2023/02/03 22:01:42 christos Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. @@ -31,7 +31,7 @@ #include "config.h" #if !defined(lint) && !defined(SCCSID) -__RCSID("$NetBSD: filecomplete.c,v 1.68 2021/05/05 14:49:59 christos Exp $"); +__RCSID("$NetBSD: filecomplete.c,v 1.72 2023/02/03 22:01:42 christos Exp $"); #endif /* not lint && not SCCSID */ #include <sys/types.h> @@ -69,20 +69,21 @@ fn_tilde_expand(const char *txt) char pwbuf[1024]; #endif struct passwd *pass; + const char *pos; char *temp; size_t len = 0; if (txt[0] != '~') return strdup(txt); - temp = strchr(txt + 1, '/'); - if (temp == NULL) { + pos = strchr(txt + 1, '/'); + if (pos == NULL) { temp = strdup(txt + 1); if (temp == NULL) return NULL; } else { /* text until string after slash */ - len = (size_t)(temp - txt + 1); + len = (size_t)(pos - txt + 1); temp = el_calloc(len, sizeof(*temp)); if (temp == NULL) return NULL; @@ -126,7 +127,7 @@ fn_tilde_expand(const char *txt) } static int -needs_escaping(char c) +needs_escaping(wchar_t c) { switch (c) { case '\'': @@ -212,9 +213,10 @@ escape_filename(EditLine * el, const char *filename, int single_match, while (temp != el->el_line.cursor) { /* * If we see a single quote but have not seen a double quote - * so far set/unset s_quote + * so far set/unset s_quote, unless it is already quoted */ - if (temp[0] == '\'' && !d_quoted) + if (temp[0] == '\'' && !d_quoted && + (temp == el->el_line.buffer || temp[-1] != '\\')) s_quoted = !s_quoted; /* * vice versa to the above condition @@ -327,14 +329,15 @@ fn_filename_completion_function(const char *text, int state) static size_t filename_len = 0; struct dirent *entry; char *temp; + const char *pos; size_t len; if (state == 0 || dir == NULL) { - temp = strrchr(text, '/'); - if (temp) { + pos = strrchr(text, '/'); + if (pos) { char *nptr; - temp++; - nptr = el_realloc(filename, (strlen(temp) + 1) * + pos++; + nptr = el_realloc(filename, (strlen(pos) + 1) * sizeof(*nptr)); if (nptr == NULL) { el_free(filename); @@ -342,8 +345,8 @@ fn_filename_completion_function(const char *text, int state) return NULL; } filename = nptr; - (void)strcpy(filename, temp); - len = (size_t)(temp - text); /* including last slash */ + (void)strcpy(filename, pos); + len = (size_t)(pos - text); /* including last slash */ nptr = el_realloc(dirname, (len + 1) * sizeof(*nptr)); @@ -609,13 +612,13 @@ find_word_to_complete(const wchar_t * cursor, const wchar_t * buffer, for (;;) { if (ctemp <= buffer) break; - if (wcschr(word_break, ctemp[-1])) { - if (ctemp - buffer >= 2 && ctemp[-2] == '\\') { - ctemp -= 2; - continue; - } - break; + if (ctemp - buffer >= 2 && ctemp[-2] == '\\' && + needs_escaping(ctemp[-1])) { + ctemp -= 2; + continue; } + if (wcschr(word_break, ctemp[-1])) + break; if (special_prefixes && wcschr(special_prefixes, ctemp[-1])) break; ctemp--; @@ -634,6 +637,8 @@ find_word_to_complete(const wchar_t * cursor, const wchar_t * buffer, return unescaped_word; } temp = el_malloc((len + 1) * sizeof(*temp)); + if (temp == NULL) + return NULL; (void) wcsncpy(temp, ctemp, len); temp[len] = '\0'; return temp; |