diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/wordexp-test.c | 12 | ||||
| -rw-r--r-- | posix/wordexp.c | 41 |
2 files changed, 13 insertions, 40 deletions
diff --git a/posix/wordexp-test.c b/posix/wordexp-test.c index 1815241fca..be81c4babf 100644 --- a/posix/wordexp-test.c +++ b/posix/wordexp-test.c @@ -51,11 +51,15 @@ struct test_case_struct { 0, "two three", "one $var", 0, 3, { "one", "two", "three", }, IFS }, { 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, "" }, { 0, "two three", "one $var", 0, 2, { "one", "two three", }, "" }, - { 0, ":abc:", "$var", 0, 3, { "", "abc", "", }, ":" }, - { 0, NULL, "$(echo :abc:)", 0, 3, { "", "abc", "", }, ":" }, - { 0, NULL, "$(echo :abc:\\ )", 0, 3, { "", "abc", "", }, ": " }, + + /* The non-whitespace IFS char at the end delimits the second field + * but does NOT start a new field. */ + { 0, ":abc:", "$var", 0, 2, { "", "abc", }, ":" }, + + { 0, NULL, "$(echo :abc:)", 0, 2, { "", "abc", }, ":" }, + { 0, NULL, "$(echo :abc:\\ )", 0, 2, { "", "abc", }, ": " }, { 0, NULL, "$(echo :abc\\ )", 0, 2, { "", "abc", }, ": " }, - { 0, ":abc:", "$(echo $var)", 0, 3, { "", "abc", "", }, ":" }, + { 0, ":abc:", "$(echo $var)", 0, 2, { "", "abc", }, ":" }, { 0, NULL, ":abc:", 0, 1, { " abc ", }, ":" }, { 0, NULL, "$(echo :abc:)def", 0, 3, { "", "abc", "def", }, ":" }, { 0, NULL, "$(echo abc:de)f", 0, 2, { "abc", "def", }, ":" }, diff --git a/posix/wordexp.c b/posix/wordexp.c index 073751997a..0139a99e1a 100644 --- a/posix/wordexp.c +++ b/posix/wordexp.c @@ -136,21 +136,6 @@ w_addmem (char *buffer, size_t *actlen, size_t *maxlen, const char *str, return buffer; } - -/* Result of w_emptyword will not be ignored even if it is the last. */ -static inline char * -w_emptyword (size_t *actlen, size_t *maxlen) -{ - char *word = malloc (1 + W_CHUNK); - *maxlen = W_CHUNK; - *actlen = 0; - - if (word) - *word = '\0'; - - return word; -} - static char * internal_function w_addstr (char *buffer, size_t *actlen, size_t *maxlen, const char *str) @@ -835,7 +820,6 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length, int i; char *buffer; pid_t pid; - int keep_empty_word = 0; /* Don't fork() unless necessary */ if (!comm || !*comm) @@ -933,11 +917,6 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length, if (strchr (ifs_white, buffer[i]) == NULL) { /* Current character is IFS but not whitespace */ - - /* After this delimiter, another field must result. - * Make a note. */ - keep_empty_word = 1; - if (copying == 2) { /* current character @@ -971,14 +950,7 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length, if (w_addword (pwordexp, *word) == WRDE_NOSPACE) goto no_space; - if (keep_empty_word) - { - *word = w_emptyword (word_length, max_length); - if (*word == NULL) - goto no_space; - } - else - *word = w_newword (word_length, max_length); + *word = w_newword (word_length, max_length); /* fall back round the loop.. */ } else @@ -986,9 +958,6 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length, /* Not IFS character */ copying = 1; - if (buffer[i] != '\n') - keep_empty_word = 0; - *word = w_addchar (*word, word_length, max_length, buffer[i]); if (*word == NULL) @@ -1003,13 +972,13 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length, { (*word)[--*word_length] = '\0'; - /* If the last word was entirely newlines, and the previous word - * wasn't delimited with IFS non-whitespace, turn it into a new word + /* If the last word was entirely newlines, turn it into a new word * which can be ignored if there's nothing following it. */ - if (!keep_empty_word && *word_length == 0) + if (*word_length == 0) { free (*word); *word = w_newword (word_length, max_length); + break; } } @@ -1768,7 +1737,7 @@ envsubst: goto no_space; } - *word = w_emptyword (word_length, max_length); + *word = w_newword (word_length, max_length); } /* Skip IFS whitespace before the field */ |