coding style: fix lines over 80 chars

Lines should not go over 80 chars with a few exceptions:
	- headers
	- function definitions with only 1 argument
	- long strings, otherwise we break grep

This should go later in a coding-style file
diff --git a/TODO b/TODO
index 47fca61..533e81e 100644
--- a/TODO
+++ b/TODO
@@ -28,3 +28,5 @@
    - return install/remove commands for non-modules:
          install nonexistentmodule somecommand
      modprobe nonexistentmodule -> runs somecommand
+
+* Add coding-style.txt
diff --git a/libkmod/libkmod-config.c b/libkmod/libkmod-config.c
index 0e4f92c..2b3222d 100644
--- a/libkmod/libkmod-config.c
+++ b/libkmod/libkmod-config.c
@@ -157,7 +157,8 @@
 	return -ENOMEM;
 }
 
-static void kmod_config_free_options(struct kmod_config *config, struct kmod_list *l)
+static void kmod_config_free_options(struct kmod_config *config,
+							struct kmod_list *l)
 {
 	struct kmod_options *opt = l->data;
 
@@ -167,7 +168,7 @@
 }
 
 static int kmod_config_add_alias(struct kmod_config *config,
-				const char *name, const char *modname)
+					const char *name, const char *modname)
 {
 	struct kmod_alias *alias;
 	struct kmod_list *list;
@@ -196,7 +197,8 @@
 	return -ENOMEM;
 }
 
-static void kmod_config_free_alias(struct kmod_config *config, struct kmod_list *l)
+static void kmod_config_free_alias(struct kmod_config *config,
+							struct kmod_list *l)
 {
 	struct kmod_alias *alias = l->data;
 
@@ -206,7 +208,7 @@
 }
 
 static int kmod_config_add_blacklist(struct kmod_config *config,
-					const char *modname)
+							const char *modname)
 {
 	char *p;
 	struct kmod_list *list;
@@ -452,7 +454,8 @@
 	return NULL;
 }
 
-int kmod_config_new(struct kmod_ctx *ctx, struct kmod_config **p_config, const char * const *config_paths)
+int kmod_config_new(struct kmod_ctx *ctx, struct kmod_config **p_config,
+					const char * const *config_paths)
 {
 	struct kmod_config *config;
 	size_t i;
diff --git a/libkmod/libkmod-hash.c b/libkmod/libkmod-hash.c
index adc064c..f3fd765 100644
--- a/libkmod/libkmod-hash.c
+++ b/libkmod/libkmod-hash.c
@@ -43,7 +43,8 @@
 	struct kmod_hash_bucket buckets[];
 };
 
-struct kmod_hash *kmod_hash_new(unsigned int n_buckets, void (*free_value)(void *value))
+struct kmod_hash *kmod_hash_new(unsigned int n_buckets,
+					void (*free_value)(void *value))
 {
 	struct kmod_hash *hash = calloc(1, sizeof(struct kmod_hash) +
 				n_buckets * sizeof(struct kmod_hash_bucket));
diff --git a/libkmod/libkmod-list.c b/libkmod/libkmod-list.c
index 883a91a..9da1b6a 100644
--- a/libkmod/libkmod-list.c
+++ b/libkmod/libkmod-list.c
@@ -133,7 +133,8 @@
 	return list ? list : new;
 }
 
-struct kmod_list *kmod_list_insert_after(struct kmod_list *list, const void *data)
+struct kmod_list *kmod_list_insert_after(struct kmod_list *list,
+							const void *data)
 {
 	struct kmod_list *new;
 
@@ -150,7 +151,8 @@
 	return list;
 }
 
-struct kmod_list *kmod_list_insert_before(struct kmod_list *list, const void *data)
+struct kmod_list *kmod_list_insert_before(struct kmod_list *list,
+							const void *data)
 {
 	struct kmod_list *new;
 
@@ -272,7 +274,7 @@
  * the list or the list is empty.
  */
 KMOD_EXPORT struct kmod_list *kmod_list_prev(const struct kmod_list *list,
-							const struct kmod_list *curr)
+						const struct kmod_list *curr)
 {
 	if (list == NULL || curr == NULL)
 		return NULL;
@@ -297,7 +299,7 @@
  * list is empty.
  */
 KMOD_EXPORT struct kmod_list *kmod_list_next(const struct kmod_list *list,
-							const struct kmod_list *curr)
+						const struct kmod_list *curr)
 {
 	if (list == NULL || curr == NULL)
 		return NULL;
diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
index 620b2d5..ce01dc3 100644
--- a/libkmod/libkmod-module.c
+++ b/libkmod/libkmod-module.c
@@ -93,7 +93,8 @@
 	return modname_normalize(modname, buf, len);
 }
 
-static inline const char *path_join(const char *path, size_t prefixlen, char buf[PATH_MAX])
+static inline const char *path_join(const char *path, size_t prefixlen,
+							char buf[PATH_MAX])
 {
 	size_t pathlen;
 
diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c
index 14c7a2c..3abdca9 100644
--- a/libkmod/libkmod.c
+++ b/libkmod/libkmod.c
@@ -196,7 +196,8 @@
  *
  * Returns: a new kmod library context
  */
-KMOD_EXPORT struct kmod_ctx *kmod_new(const char *dirname, const char * const *config_paths)
+KMOD_EXPORT struct kmod_ctx *kmod_new(const char *dirname,
+					const char * const *config_paths)
 {
 	const char *env;
 	struct kmod_ctx *ctx;
@@ -545,7 +546,9 @@
  * Returns: 0 on success or < 0 otherwise. @output is saved with the updated
  * list.
  */
-KMOD_EXPORT int kmod_module_get_filtered_blacklist(const struct kmod_ctx *ctx, const struct kmod_list *input, struct kmod_list **output)
+KMOD_EXPORT int kmod_module_get_filtered_blacklist(const struct kmod_ctx *ctx,
+						const struct kmod_list *input,
+						struct kmod_list **output)
 {
 	const struct kmod_config *config;
 	const struct kmod_list *li;
@@ -640,7 +643,9 @@
 	}
 }
 
-KMOD_EXPORT int kmod_resolve_alias_options(struct kmod_ctx *ctx, const char *given_alias, char **options)
+KMOD_EXPORT int kmod_resolve_alias_options(struct kmod_ctx *ctx,
+						const char *given_alias,
+						char **options)
 {
 	struct kmod_list *modules = NULL, *l;
 	char alias[NAME_MAX];