[pacman-dev] [PATCH] pacsort: safer sizeof types when allocating memory

Julien Ramseier j.ramseier at gmail.com
Fri Jan 29 14:47:00 UTC 2016


---
 src/util/pacsort.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/util/pacsort.c b/src/util/pacsort.c
index c69ae2f..a652b43 100644
--- a/src/util/pacsort.c
+++ b/src/util/pacsort.c
@@ -80,7 +80,7 @@ static struct buffer_t *buffer_new(size_t initial_size)
 		return NULL;
 	}
 
-	buf->mem = calloc(initial_size, sizeof(char));
+	buf->mem = calloc(initial_size, sizeof(*(buf->mem)));
 	if(!buf->mem) {
 		free(buf);
 		return NULL;
@@ -105,7 +105,7 @@ static void buffer_free(struct buffer_t *buf)
 static int buffer_grow(struct buffer_t *buffer)
 {
 	size_t newsz = buffer->maxlen * 2.5;
-	char* new_mem = realloc(buffer->mem, newsz * sizeof(char));
+	char* new_mem = realloc(buffer->mem, newsz * sizeof(*new_mem));
 	if(!new_mem) {
 		return 1;
 	}
@@ -119,12 +119,12 @@ static struct list_t *list_new(size_t initial_size)
 {
 	struct list_t *list;
 
-	list = calloc(1, sizeof(struct list_t));
+	list = calloc(1, sizeof(*list));
 	if(!list) {
 		return NULL;
 	}
 
-	list->list = calloc(initial_size, sizeof(char *));
+	list->list = calloc(initial_size, sizeof(*(list->list)));
 	if(!list->list) {
 		free(list);
 		return NULL;
@@ -138,7 +138,7 @@ static struct list_t *list_new(size_t initial_size)
 static int list_grow(struct list_t *list)
 {
 	size_t newsz = list->maxcount * 2.5;
-	void **new_list = realloc(list->list, newsz * sizeof(char *));
+	void **new_list = realloc(list->list, newsz * sizeof(*new_list));
 	if(!new_list) {
 		return 1;
 	}
@@ -202,7 +202,7 @@ static struct input_t *input_new(const char *path, int pathlen)
 	const char *slash;
 	struct input_t *in;
 
-	in = calloc(1, sizeof(struct input_t));
+	in = calloc(1, sizeof(*in));
 	if(in == NULL) {
 		return NULL;
 	}
-- 
2.7.0


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