index : pacman | |
Archlinux32 fork of pacman | gitolite user |
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-rw-r--r-- | lib/libalpm/hook.c | 119 |
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 { |