diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/wee-string.c | 87 | ||||
| -rw-r--r-- | src/core/wee-string.h | 4 |
2 files changed, 86 insertions, 5 deletions
diff --git a/src/core/wee-string.c b/src/core/wee-string.c index bc93f7ce7..9b12d79a2 100644 --- a/src/core/wee-string.c +++ b/src/core/wee-string.c @@ -1055,6 +1055,9 @@ string_has_highlight_regex (const char *string, const char *regex) /* * Splits a string according to separators. * + * This function must not be called directly (call string_split or + * string_split_shared instead). + * * Examples: * string_split ("abc de fghi", " ", 0, 0, NULL) * ==> array[0] = "abc" @@ -1069,12 +1072,13 @@ string_has_highlight_regex (const char *string, const char *regex) */ char ** -string_split (const char *string, const char *separators, int keep_eol, - int num_items_max, int *num_items) +string_split_internal (const char *string, const char *separators, int keep_eol, + int num_items_max, int *num_items, int shared) { int i, j, n_items; char *string2, **array; char *ptr, *ptr1, *ptr2; + const char *str_shared; if (num_items != NULL) *num_items = 0; @@ -1144,13 +1148,18 @@ string_split (const char *string, const char *separators, int keep_eol, { if (keep_eol) { - array[i] = strdup (ptr1); + array[i] = (shared) ? (char *)string_shared_get (ptr1) : strdup (ptr1); if (!array[i]) { for (j = 0; j < n_items; j++) { if (array[j]) - free (array[j]); + { + if (shared) + string_shared_free (array[j]); + else + free (array[j]); + } } free (array); free (string2); @@ -1165,7 +1174,12 @@ string_split (const char *string, const char *separators, int keep_eol, for (j = 0; j < n_items; j++) { if (array[j]) - free (array[j]); + { + if (shared) + string_shared_free (array[j]); + else + free (array[j]); + } } free (array); free (string2); @@ -1173,6 +1187,23 @@ string_split (const char *string, const char *separators, int keep_eol, } strncpy (array[i], ptr1, ptr2 - ptr1); array[i][ptr2 - ptr1] = '\0'; + if (shared) + { + str_shared = string_shared_get (array[i]); + if (!str_shared) + { + for (j = 0; j < n_items; j++) + { + if (array[j]) + string_shared_free (array[j]); + } + free (array); + free (string2); + return NULL; + } + free (array[i]); + array[i] = (char *)str_shared; + } } ptr1 = ++ptr2; } @@ -1193,6 +1224,35 @@ string_split (const char *string, const char *separators, int keep_eol, } /* + * Splits a string according to separators. + * + * For full description, see function string_split_internal. + */ + +char ** +string_split (const char *string, const char *separators, int keep_eol, + int num_items_max, int *num_items) +{ + return string_split_internal (string, separators, keep_eol, + num_items_max, num_items, 0); +} + +/* + * Splits a string according to separators, and use shared strings for the + * strings in the array returned. + * + * For full description, see function string_split_internal. + */ + +char ** +string_split_shared (const char *string, const char *separators, int keep_eol, + int num_items_max, int *num_items) +{ + return string_split_internal (string, separators, keep_eol, + num_items_max, num_items, 1); +} + +/* * Splits a string like the shell does for a command with arguments. * * This function is a C conversion of python class "shlex" @@ -1402,6 +1462,23 @@ string_free_split (char **split_string) } /* + * Frees a split string (using shared strings). + */ + +void +string_free_split_shared (char **split_string) +{ + int i; + + if (split_string) + { + for (i = 0; split_string[i]; i++) + string_shared_free (split_string[i]); + free (split_string); + } +} + +/* * Builds a string with a split string. * * Note: result must be free after use. diff --git a/src/core/wee-string.h b/src/core/wee-string.h index c3cf06ca7..d79ae8fac 100644 --- a/src/core/wee-string.h +++ b/src/core/wee-string.h @@ -59,8 +59,12 @@ extern int string_has_highlight_regex_compiled (const char *string, extern int string_has_highlight_regex (const char *string, const char *regex); extern char **string_split (const char *string, const char *separators, int keep_eol, int num_items_max, int *num_items); +extern char **string_split_shared (const char *string, const char *separators, + int keep_eol, int num_items_max, + int *num_items); extern char **string_split_shell (const char *string); extern void string_free_split (char **split_string); +extern void string_free_split_shared (char **split_string); extern char *string_build_with_split_string (const char **split_string, const char *separator); extern char **string_split_command (const char *command, char separator); |