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authorAndrew Gregory <andrew.gregory.8@gmail.com>2019-06-09 09:54:02 -0700
committerAndrew Gregory <andrew.gregory.8@gmail.com>2019-10-11 18:49:38 -0700
commita2c4ad46751e4dcb85a739437d9331bf9282d9be (patch)
treebab6c048fb7eb2ffb37e4ba057a176d85990d650 /lib/libalpm
parenta897599fa54813ea2a225271eacd9fb6e1a6762e (diff)
move wordsplit into common for sharing
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/hook.c119
1 files changed, 3 insertions, 116 deletions
diff --git a/lib/libalpm/hook.c b/lib/libalpm/hook.c
index 6143ea0f..9d1aa215 100644
--- a/lib/libalpm/hook.c
+++ b/lib/libalpm/hook.c
@@ -17,7 +17,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <limits.h>
@@ -71,23 +70,12 @@ static void _alpm_trigger_free(struct _alpm_trigger_t *trigger)
}
}
-static void _alpm_wordsplit_free(char **ws)
-{
- if(ws) {
- char **c;
- for(c = ws; *c; c++) {
- free(*c);
- }
- free(ws);
- }
-}
-
static void _alpm_hook_free(struct _alpm_hook_t *hook)
{
if(hook) {
free(hook->name);
free(hook->desc);
- _alpm_wordsplit_free(hook->cmd);
+ wordsplit_free(hook->cmd);
alpm_list_free_inner(hook->triggers, (alpm_list_fn_free) _alpm_trigger_free);
alpm_list_free(hook->triggers);
alpm_list_free(hook->matches);
@@ -158,107 +146,6 @@ static int _alpm_hook_validate(alpm_handle_t *handle,
return ret;
}
-static char **_alpm_wordsplit(char *str)
-{
- char *c = str, *end;
- char **out = NULL, **outsave;
- size_t count = 0;
-
- if(str == NULL) {
- errno = EINVAL;
- return NULL;
- }
-
- for(c = str; isspace(*c); c++);
- while(*c) {
- size_t wordlen = 0;
-
- /* extend our array */
- outsave = out;
- if((out = realloc(out, (count + 1) * sizeof(char*))) == NULL) {
- out = outsave;
- goto error;
- }
-
- /* calculate word length and check for unbalanced quotes */
- for(end = c; *end && !isspace(*end); end++) {
- if(*end == '\'' || *end == '"') {
- char quote = *end;
- while(*(++end) && *end != quote) {
- if(*end == '\\' && *(end + 1) == quote) {
- end++;
- }
- wordlen++;
- }
- if(*end != quote) {
- errno = EINVAL;
- goto error;
- }
- } else {
- if(*end == '\\' && (end[1] == '\'' || end[1] == '"')) {
- end++; /* skip the '\\' */
- }
- wordlen++;
- }
- }
-
- if(wordlen == (size_t) (end - c)) {
- /* no internal quotes or escapes, copy it the easy way */
- if((out[count++] = strndup(c, wordlen)) == NULL) {
- goto error;
- }
- } else {
- /* manually copy to remove quotes and escapes */
- char *dest = out[count++] = malloc(wordlen + 1);
- if(dest == NULL) { goto error; }
- while(c < end) {
- if(*c == '\'' || *c == '"') {
- char quote = *c;
- /* we know there must be a matching end quote,
- * no need to check for '\0' */
- for(c++; *c != quote; c++) {
- if(*c == '\\' && *(c + 1) == quote) {
- c++;
- }
- *(dest++) = *c;
- }
- c++;
- } else {
- if(*c == '\\' && (c[1] == '\'' || c[1] == '"')) {
- c++; /* skip the '\\' */
- }
- *(dest++) = *(c++);
- }
- }
- *dest = '\0';
- }
-
- if(*end == '\0') {
- break;
- } else {
- for(c = end + 1; isspace(*c); c++);
- }
- }
-
- outsave = out;
- if((out = realloc(out, (count + 1) * sizeof(char*))) == NULL) {
- out = outsave;
- goto error;
- }
-
- out[count++] = NULL;
-
- return out;
-
-error:
- /* can't use wordsplit_free here because NULL has not been appended */
- while(count) {
- free(out[--count]);
- }
- free(out);
- return NULL;
-}
-
static int _alpm_hook_parse_cb(const char *file, int line,
const char *section, char *key, char *value, void *data)
{
@@ -347,9 +234,9 @@ static int _alpm_hook_parse_cb(const char *file, int line,
} else if(strcmp(key, "Exec") == 0) {
if(hook->cmd != NULL) {
warning(_("hook %s line %d: overwriting previous definition of %s\n"), file, line, "Exec");
- _alpm_wordsplit_free(hook->cmd);
+ wordsplit_free(hook->cmd);
}
- if((hook->cmd = _alpm_wordsplit(value)) == NULL) {
+ if((hook->cmd = wordsplit(value)) == NULL) {
if(errno == EINVAL) {
error(_("hook %s line %d: invalid value %s\n"), file, line, value);
} else {