Cleanup naming scheme of compressor

Add sqfs_* prefix to compressor, move implementation prefix up front.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

7 files changed, 89 insertions, 87 deletions

diff --git a/lib/sqfs/comp/compressor.c b/lib/sqfs/comp/compressor.c
index d436100..fef238a 100644
--- a/lib/sqfs/comp/compressor.c
+++ b/lib/sqfs/comp/compressor.c
@@ -13,23 +13,24 @@
 #include "internal.h"
 #include "util.h"
 
-typedef compressor_t *(*compressor_fun_t)(const compressor_config_t *cfg);
+typedef sqfs_compressor_t *(*compressor_fun_t)
+	(const sqfs_compressor_config_t *cfg);
 
 static compressor_fun_t compressors[SQFS_COMP_MAX + 1] = {
 #ifdef WITH_GZIP
-	[SQFS_COMP_GZIP] = create_gzip_compressor,
+	[SQFS_COMP_GZIP] = gzip_compressor_create,
 #endif
 #ifdef WITH_XZ
-	[SQFS_COMP_XZ] = create_xz_compressor,
+	[SQFS_COMP_XZ] = xz_compressor_create,
 #endif
 #ifdef WITH_LZO
-	[SQFS_COMP_LZO] = create_lzo_compressor,
+	[SQFS_COMP_LZO] = lzo_compressor_create,
 #endif
 #ifdef WITH_LZ4
-	[SQFS_COMP_LZ4] = create_lz4_compressor,
+	[SQFS_COMP_LZ4] = lz4_compressor_create,
 #endif
 #ifdef WITH_ZSTD
-	[SQFS_COMP_ZSTD] = create_zstd_compressor,
+	[SQFS_COMP_ZSTD] = zstd_compressor_create,
 #endif
 };
 
@@ -42,7 +43,7 @@ static const char *names[] = {
 	[SQFS_COMP_ZSTD] = "zstd",
 };
 
-int generic_write_options(int fd, const void *data, size_t size)
+int sqfs_generic_write_options(int fd, const void *data, size_t size)
 {
 	uint8_t buffer[size + 2];
 
@@ -57,7 +58,7 @@ int generic_write_options(int fd, const void *data, size_t size)
 	return sizeof(buffer);
 }
 
-int generic_read_options(int fd, void *data, size_t size)
+int sqfs_generic_read_options(int fd, void *data, size_t size)
 {
 	uint8_t buffer[size + 2];
 
@@ -76,7 +77,7 @@ int generic_read_options(int fd, void *data, size_t size)
 	return 0;
 }
 
-bool compressor_exists(E_SQFS_COMPRESSOR id)
+bool sqfs_compressor_exists(E_SQFS_COMPRESSOR id)
 {
 	if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX)
 		return false;
@@ -84,7 +85,7 @@ bool compressor_exists(E_SQFS_COMPRESSOR id)
 	return (compressors[id] != NULL);
 }
 
-compressor_t *compressor_create(const compressor_config_t *cfg)
+sqfs_compressor_t *sqfs_compressor_create(const sqfs_compressor_config_t *cfg)
 {
 	if (cfg == NULL || cfg->id < SQFS_COMP_MIN || cfg->id > SQFS_COMP_MAX)
 		return NULL;
@@ -95,7 +96,7 @@ compressor_t *compressor_create(const compressor_config_t *cfg)
 	return compressors[cfg->id](cfg);
 }
 
-const char *compressor_name_from_id(E_SQFS_COMPRESSOR id)
+const char *sqfs_compressor_name_from_id(E_SQFS_COMPRESSOR id)
 {
 	if (id < 0 || (size_t)id >= sizeof(names) / sizeof(names[0]))
 		return NULL;
@@ -103,7 +104,7 @@ const char *compressor_name_from_id(E_SQFS_COMPRESSOR id)
 	return names[id];
 }
 
-int compressor_id_from_name(const char *name, E_SQFS_COMPRESSOR *out)
+int sqfs_compressor_id_from_name(const char *name, E_SQFS_COMPRESSOR *out)
 {
 	size_t i;
 
@@ -117,8 +118,9 @@ int compressor_id_from_name(const char *name, E_SQFS_COMPRESSOR *out)
 	return -1;
 }
 
-int compressor_config_init(compressor_config_t *cfg, E_SQFS_COMPRESSOR id,
-			   size_t block_size, uint16_t flags)
+int sqfs_compressor_config_init(sqfs_compressor_config_t *cfg,
+				E_SQFS_COMPRESSOR id,
+				size_t block_size, uint16_t flags)
 {
 	memset(cfg, 0, sizeof(*cfg));
 
diff --git a/lib/sqfs/comp/gzip.c b/lib/sqfs/comp/gzip.c
index bbe1e4f..39e101f 100644
--- a/lib/sqfs/comp/gzip.c
+++ b/lib/sqfs/comp/gzip.c
@@ -22,7 +22,7 @@ typedef struct {
 } gzip_options_t;
 
 typedef struct {
-	compressor_t base;
+	sqfs_compressor_t base;
 
 	z_stream strm;
 	bool compress;
@@ -31,7 +31,7 @@ typedef struct {
 	gzip_options_t opt;
 } gzip_compressor_t;
 
-static void gzip_destroy(compressor_t *base)
+static void gzip_destroy(sqfs_compressor_t *base)
 {
 	gzip_compressor_t *gzip = (gzip_compressor_t *)base;
 
@@ -44,7 +44,7 @@ static void gzip_destroy(compressor_t *base)
 	free(gzip);
 }
 
-static int gzip_write_options(compressor_t *base, int fd)
+static int gzip_write_options(sqfs_compressor_t *base, int fd)
 {
 	gzip_compressor_t *gzip = (gzip_compressor_t *)base;
 	gzip_options_t opt;
@@ -59,15 +59,15 @@ static int gzip_write_options(compressor_t *base, int fd)
 	opt.window = htole16(gzip->opt.window);
 	opt.strategies = htole16(gzip->opt.strategies);
 
-	return generic_write_options(fd, &opt, sizeof(opt));
+	return sqfs_generic_write_options(fd, &opt, sizeof(opt));
 }
 
-static int gzip_read_options(compressor_t *base, int fd)
+static int gzip_read_options(sqfs_compressor_t *base, int fd)
 {
 	gzip_compressor_t *gzip = (gzip_compressor_t *)base;
 	gzip_options_t opt;
 
-	if (generic_read_options(fd, &opt, sizeof(opt)))
+	if (sqfs_generic_read_options(fd, &opt, sizeof(opt)))
 		return -1;
 
 	gzip->opt.level = le32toh(opt.level);
@@ -161,7 +161,7 @@ static int find_strategy(gzip_compressor_t *gzip, const uint8_t *in,
 	return selected;
 }
 
-static ssize_t gzip_do_block(compressor_t *base, const uint8_t *in,
+static ssize_t gzip_do_block(sqfs_compressor_t *base, const uint8_t *in,
 			     size_t size, uint8_t *out, size_t outsize)
 {
 	gzip_compressor_t *gzip = (gzip_compressor_t *)base;
@@ -222,7 +222,7 @@ static ssize_t gzip_do_block(compressor_t *base, const uint8_t *in,
 	return 0;
 }
 
-static compressor_t *gzip_create_copy(compressor_t *cmp)
+static sqfs_compressor_t *gzip_create_copy(sqfs_compressor_t *cmp)
 {
 	gzip_compressor_t *gzip = malloc(sizeof(*gzip));
 	int ret;
@@ -249,13 +249,13 @@ static compressor_t *gzip_create_copy(compressor_t *cmp)
 		return NULL;
 	}
 
-	return (compressor_t *)gzip;
+	return (sqfs_compressor_t *)gzip;
 }
 
-compressor_t *create_gzip_compressor(const compressor_config_t *cfg)
+sqfs_compressor_t *gzip_compressor_create(const sqfs_compressor_config_t *cfg)
 {
 	gzip_compressor_t *gzip;
-	compressor_t *base;
+	sqfs_compressor_t *base;
 	int ret;
 
 	if (cfg->flags & ~(SQFS_COMP_FLAG_GZIP_ALL |
@@ -282,7 +282,7 @@ compressor_t *create_gzip_compressor(const compressor_config_t *cfg)
 	}
 
 	gzip = calloc(1, sizeof(*gzip));
-	base = (compressor_t *)gzip;
+	base = (sqfs_compressor_t *)gzip;
 
 	if (gzip == NULL) {
 		perror("creating gzip compressor");
diff --git a/lib/sqfs/comp/internal.h b/lib/sqfs/comp/internal.h
index 229772f..1f76a45 100644
--- a/lib/sqfs/comp/internal.h
+++ b/lib/sqfs/comp/internal.h
@@ -12,18 +12,18 @@
 #include "sqfs/compress.h"
 #include "util.h"
 
-int generic_write_options(int fd, const void *data, size_t size);
+int sqfs_generic_write_options(int fd, const void *data, size_t size);
 
-int generic_read_options(int fd, void *data, size_t size);
+int sqfs_generic_read_options(int fd, void *data, size_t size);
 
-compressor_t *create_xz_compressor(const compressor_config_t *cfg);
+sqfs_compressor_t *xz_compressor_create(const sqfs_compressor_config_t *cfg);
 
-compressor_t *create_gzip_compressor(const compressor_config_t *cfg);
+sqfs_compressor_t *gzip_compressor_create(const sqfs_compressor_config_t *cfg);
 
-compressor_t *create_lzo_compressor(const compressor_config_t *cfg);
+sqfs_compressor_t *lzo_compressor_create(const sqfs_compressor_config_t *cfg);
 
-compressor_t *create_lz4_compressor(const compressor_config_t *cfg);
+sqfs_compressor_t *lz4_compressor_create(const sqfs_compressor_config_t *cfg);
 
-compressor_t *create_zstd_compressor(const compressor_config_t *cfg);
+sqfs_compressor_t *zstd_compressor_create(const sqfs_compressor_config_t *cfg);
 
 #endif /* INTERNAL_H */
diff --git a/lib/sqfs/comp/lz4.c b/lib/sqfs/comp/lz4.c
index 4a15198..ddfab5c 100644
--- a/lib/sqfs/comp/lz4.c
+++ b/lib/sqfs/comp/lz4.c
@@ -17,7 +17,7 @@
 #include "internal.h"
 
 typedef struct {
-	compressor_t base;
+	sqfs_compressor_t base;
 	bool high_compression;
 } lz4_compressor_t;
 
@@ -28,7 +28,7 @@ typedef struct {
 
 #define LZ4LEGACY 1
 
-static int lz4_write_options(compressor_t *base, int fd)
+static int lz4_write_options(sqfs_compressor_t *base, int fd)
 {
 	lz4_compressor_t *lz4 = (lz4_compressor_t *)base;
 	lz4_options opt = {
@@ -37,15 +37,15 @@ static int lz4_write_options(compressor_t *base, int fd)
 				 SQFS_COMP_FLAG_LZ4_HC : 0),
 	};
 
-	return generic_write_options(fd, &opt, sizeof(opt));
+	return sqfs_generic_write_options(fd, &opt, sizeof(opt));
 }
 
-static int lz4_read_options(compressor_t *base, int fd)
+static int lz4_read_options(sqfs_compressor_t *base, int fd)
 {
 	lz4_options opt;
 	(void)base;
 
-	if (generic_read_options(fd, &opt, sizeof(opt)))
+	if (sqfs_generic_read_options(fd, &opt, sizeof(opt)))
 		return -1;
 
 	opt.version = le32toh(opt.version);
@@ -59,7 +59,7 @@ static int lz4_read_options(compressor_t *base, int fd)
 	return 0;
 }
 
-static ssize_t lz4_comp_block(compressor_t *base, const uint8_t *in,
+static ssize_t lz4_comp_block(sqfs_compressor_t *base, const uint8_t *in,
 			      size_t size, uint8_t *out, size_t outsize)
 {
 	lz4_compressor_t *lz4 = (lz4_compressor_t *)base;
@@ -81,7 +81,7 @@ static ssize_t lz4_comp_block(compressor_t *base, const uint8_t *in,
 	return ret;
 }
 
-static ssize_t lz4_uncomp_block(compressor_t *base, const uint8_t *in,
+static ssize_t lz4_uncomp_block(sqfs_compressor_t *base, const uint8_t *in,
 				size_t size, uint8_t *out, size_t outsize)
 {
 	int ret;
@@ -97,7 +97,7 @@ static ssize_t lz4_uncomp_block(compressor_t *base, const uint8_t *in,
 	return ret;
 }
 
-static compressor_t *lz4_create_copy(compressor_t *cmp)
+static sqfs_compressor_t *lz4_create_copy(sqfs_compressor_t *cmp)
 {
 	lz4_compressor_t *lz4 = malloc(sizeof(*lz4));
 
@@ -107,18 +107,18 @@ static compressor_t *lz4_create_copy(compressor_t *cmp)
 	}
 
 	memcpy(lz4, cmp, sizeof(*lz4));
-	return (compressor_t *)lz4;
+	return (sqfs_compressor_t *)lz4;
 }
 
-static void lz4_destroy(compressor_t *base)
+static void lz4_destroy(sqfs_compressor_t *base)
 {
 	free(base);
 }
 
-compressor_t *create_lz4_compressor(const compressor_config_t *cfg)
+sqfs_compressor_t *lz4_compressor_create(const sqfs_compressor_config_t *cfg)
 {
-	lz4_compressor_t *lz4 = calloc(1, sizeof(*lz4));
-	compressor_t *base = (compressor_t *)lz4;
+	sqfs_compressor_t *base;
+	lz4_compressor_t *lz4;
 
 	if (cfg->flags & ~(SQFS_COMP_FLAG_LZ4_ALL |
 			   SQFS_COMP_FLAG_GENERIC_ALL)) {
@@ -127,7 +127,7 @@ compressor_t *create_lz4_compressor(const compressor_config_t *cfg)
 	}
 
 	lz4 = calloc(1, sizeof(*lz4));
-	base = (compressor_t *)lz4;
+	base = (sqfs_compressor_t *)lz4;
 	if (lz4 == NULL) {
 		perror("creating lz4 compressor");
 		return NULL;
diff --git a/lib/sqfs/comp/lzo.c b/lib/sqfs/comp/lzo.c
index 3293af1..8512dfa 100644
--- a/lib/sqfs/comp/lzo.c
+++ b/lib/sqfs/comp/lzo.c
@@ -48,7 +48,7 @@ static const struct {
 };
 
 typedef struct {
-	compressor_t base;
+	sqfs_compressor_t base;
 	int algorithm;
 	int level;
 
@@ -60,7 +60,7 @@ typedef struct {
 	uint32_t level;
 } lzo_options_t;
 
-static int lzo_write_options(compressor_t *base, int fd)
+static int lzo_write_options(sqfs_compressor_t *base, int fd)
 {
 	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
 	lzo_options_t opt;
@@ -78,15 +78,15 @@ static int lzo_write_options(compressor_t *base, int fd)
 		opt.level = 0;
 	}
 
-	return generic_write_options(fd, &opt, sizeof(opt));
+	return sqfs_generic_write_options(fd, &opt, sizeof(opt));
 }
 
-static int lzo_read_options(compressor_t *base, int fd)
+static int lzo_read_options(sqfs_compressor_t *base, int fd)
 {
 	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
 	lzo_options_t opt;
 
-	if (generic_read_options(fd, &opt, sizeof(opt)))
+	if (sqfs_generic_read_options(fd, &opt, sizeof(opt)))
 		return -1;
 
 	lzo->algorithm = le32toh(opt.algorithm);
@@ -115,7 +115,7 @@ fail_level:
 	return -1;
 }
 
-static ssize_t lzo_comp_block(compressor_t *base, const uint8_t *in,
+static ssize_t lzo_comp_block(sqfs_compressor_t *base, const uint8_t *in,
 			      size_t size, uint8_t *out, size_t outsize)
 {
 	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
@@ -143,7 +143,7 @@ static ssize_t lzo_comp_block(compressor_t *base, const uint8_t *in,
 	return 0;
 }
 
-static ssize_t lzo_uncomp_block(compressor_t *base, const uint8_t *in,
+static ssize_t lzo_uncomp_block(sqfs_compressor_t *base, const uint8_t *in,
 				size_t size, uint8_t *out, size_t outsize)
 {
 	lzo_compressor_t *lzo = (lzo_compressor_t *)base;
@@ -160,7 +160,7 @@ static ssize_t lzo_uncomp_block(compressor_t *base, const uint8_t *in,
 	return len;
 }
 
-static compressor_t *lzo_create_copy(compressor_t *cmp)
+static sqfs_compressor_t *lzo_create_copy(sqfs_compressor_t *cmp)
 {
 	lzo_compressor_t *other = (lzo_compressor_t *)cmp;
 	lzo_compressor_t *lzo;
@@ -173,18 +173,18 @@ static compressor_t *lzo_create_copy(compressor_t *cmp)
 	}
 
 	memcpy(lzo, other, sizeof(*lzo));
-	return (compressor_t *)lzo;
+	return (sqfs_compressor_t *)lzo;
 }
 
-static void lzo_destroy(compressor_t *base)
+static void lzo_destroy(sqfs_compressor_t *base)
 {
 	free(base);
 }
 
-compressor_t *create_lzo_compressor(const compressor_config_t *cfg)
+sqfs_compressor_t *lzo_compressor_create(const sqfs_compressor_config_t *cfg)
 {
+	sqfs_compressor_t *base;
 	lzo_compressor_t *lzo;
-	compressor_t *base;
 
 	if (cfg->flags & ~SQFS_COMP_FLAG_GENERIC_ALL) {
 		fputs("creating lzo compressor: unknown compressor flags\n",
@@ -213,7 +213,7 @@ compressor_t *create_lzo_compressor(const compressor_config_t *cfg)
 
 	lzo = alloc_flex(sizeof(*lzo), 1,
 			 lzo_algs[cfg->opt.lzo.algorithm].bufsize);
-	base = (compressor_t *)lzo;
+	base = (sqfs_compressor_t *)lzo;
 
 	if (lzo == NULL) {
 		perror("creating lzo compressor");
diff --git a/lib/sqfs/comp/xz.c b/lib/sqfs/comp/xz.c
index 4f67b1c..6598de7 100644
--- a/lib/sqfs/comp/xz.c
+++ b/lib/sqfs/comp/xz.c
@@ -16,7 +16,7 @@
 #include "internal.h"
 
 typedef struct {
-	compressor_t base;
+	sqfs_compressor_t base;
 	size_t block_size;
 	size_t dict_size;
 	int flags;
@@ -37,7 +37,7 @@ static bool is_dict_size_valid(size_t size)
 	return size == (x | (x >> 1));
 }
 
-static int xz_write_options(compressor_t *base, int fd)
+static int xz_write_options(sqfs_compressor_t *base, int fd)
 {
 	xz_compressor_t *xz = (xz_compressor_t *)base;
 	xz_options_t opt;
@@ -48,15 +48,15 @@ static int xz_write_options(compressor_t *base, int fd)
 	opt.dict_size = htole32(xz->dict_size);
 	opt.flags = htole32(xz->flags);
 
-	return generic_write_options(fd, &opt, sizeof(opt));
+	return sqfs_generic_write_options(fd, &opt, sizeof(opt));
 }
 
-static int xz_read_options(compressor_t *base, int fd)
+static int xz_read_options(sqfs_compressor_t *base, int fd)
 {
 	xz_compressor_t *xz = (xz_compressor_t *)base;
 	xz_options_t opt;
 
-	if (generic_read_options(fd, &opt, sizeof(opt)))
+	if (sqfs_generic_read_options(fd, &opt, sizeof(opt)))
 		return -1;
 
 	opt.dict_size = le32toh(opt.dict_size);
@@ -142,8 +142,8 @@ static lzma_vli flag_to_vli(int flag)
 	return LZMA_VLI_UNKNOWN;
 }
 
-static ssize_t xz_comp_block(compressor_t *base, const uint8_t *in,
-			       size_t size, uint8_t *out, size_t outsize)
+static ssize_t xz_comp_block(sqfs_compressor_t *base, const uint8_t *in,
+			     size_t size, uint8_t *out, size_t outsize)
 {
 	xz_compressor_t *xz = (xz_compressor_t *)base;
 	lzma_vli filter, selected = LZMA_VLI_UNKNOWN;
@@ -178,7 +178,7 @@ static ssize_t xz_comp_block(compressor_t *base, const uint8_t *in,
 	return compress(xz, selected, in, size, out, outsize);
 }
 
-static ssize_t xz_uncomp_block(compressor_t *base, const uint8_t *in,
+static ssize_t xz_uncomp_block(sqfs_compressor_t *base, const uint8_t *in,
 			       size_t size, uint8_t *out, size_t outsize)
 {
 	uint64_t memlimit = 32 * 1024 * 1024;
@@ -198,7 +198,7 @@ static ssize_t xz_uncomp_block(compressor_t *base, const uint8_t *in,
 	return -1;
 }
 
-static compressor_t *xz_create_copy(compressor_t *cmp)
+static sqfs_compressor_t *xz_create_copy(sqfs_compressor_t *cmp)
 {
 	xz_compressor_t *xz = malloc(sizeof(*xz));
 
@@ -208,18 +208,18 @@ static compressor_t *xz_create_copy(compressor_t *cmp)
 	}
 
 	memcpy(xz, cmp, sizeof(*xz));
-	return (compressor_t *)xz;
+	return (sqfs_compressor_t *)xz;
 }
 
-static void xz_destroy(compressor_t *base)
+static void xz_destroy(sqfs_compressor_t *base)
 {
 	free(base);
 }
 
-compressor_t *create_xz_compressor(const compressor_config_t *cfg)
+sqfs_compressor_t *xz_compressor_create(const sqfs_compressor_config_t *cfg)
 {
+	sqfs_compressor_t *base;
 	xz_compressor_t *xz;
-	compressor_t *base;
 
 	if (cfg->flags & ~(SQFS_COMP_FLAG_GENERIC_ALL |
 			   SQFS_COMP_FLAG_XZ_ALL)) {
@@ -235,7 +235,7 @@ compressor_t *create_xz_compressor(const compressor_config_t *cfg)
 	}
 
 	xz = calloc(1, sizeof(*xz));
-	base = (compressor_t *)xz;
+	base = (sqfs_compressor_t *)xz;
 	if (xz == NULL) {
 		perror("creating xz compressor");
 		return NULL;
diff --git a/lib/sqfs/comp/zstd.c b/lib/sqfs/comp/zstd.c
index c805524..bd90207 100644
--- a/lib/sqfs/comp/zstd.c
+++ b/lib/sqfs/comp/zstd.c
@@ -17,7 +17,7 @@
 #include "internal.h"
 
 typedef struct {
-	compressor_t base;
+	sqfs_compressor_t base;
 	ZSTD_CCtx *zctx;
 	int level;
 } zstd_compressor_t;
@@ -26,7 +26,7 @@ typedef struct {
 	uint32_t level;
 } zstd_options_t;
 
-static int zstd_write_options(compressor_t *base, int fd)
+static int zstd_write_options(sqfs_compressor_t *base, int fd)
 {
 	zstd_compressor_t *zstd = (zstd_compressor_t *)base;
 	zstd_options_t opt;
@@ -36,22 +36,22 @@ static int zstd_write_options(compressor_t *base, int fd)
 		return 0;
 
 	opt.level = htole32(zstd->level);
-	return generic_write_options(fd, &opt, sizeof(opt));
+	return sqfs_generic_write_options(fd, &opt, sizeof(opt));
 }
 
-static int zstd_read_options(compressor_t *base, int fd)
+static int zstd_read_options(sqfs_compressor_t *base, int fd)
 {
 	zstd_options_t opt;
 	(void)base;
 
-	if (generic_read_options(fd, &opt, sizeof(opt)))
+	if (sqfs_generic_read_options(fd, &opt, sizeof(opt)))
 		return -1;
 
 	opt.level = le32toh(opt.level);
 	return 0;
 }
 
-static ssize_t zstd_comp_block(compressor_t *base, const uint8_t *in,
+static ssize_t zstd_comp_block(sqfs_compressor_t *base, const uint8_t *in,
 			       size_t size, uint8_t *out, size_t outsize)
 {
 	zstd_compressor_t *zstd = (zstd_compressor_t *)base;
@@ -69,7 +69,7 @@ static ssize_t zstd_comp_block(compressor_t *base, const uint8_t *in,
 	return ret < size ? ret : 0;
 }
 
-static ssize_t zstd_uncomp_block(compressor_t *base, const uint8_t *in,
+static ssize_t zstd_uncomp_block(sqfs_compressor_t *base, const uint8_t *in,
 				 size_t size, uint8_t *out, size_t outsize)
 {
 	size_t ret;
@@ -86,7 +86,7 @@ static ssize_t zstd_uncomp_block(compressor_t *base, const uint8_t *in,
 	return ret;
 }
 
-static compressor_t *zstd_create_copy(compressor_t *cmp)
+static sqfs_compressor_t *zstd_create_copy(sqfs_compressor_t *cmp)
 {
 	zstd_compressor_t *zstd = malloc(sizeof(*zstd));
 
@@ -106,10 +106,10 @@ static compressor_t *zstd_create_copy(compressor_t *cmp)
 		return NULL;
 	}
 
-	return (compressor_t *)zstd;
+	return (sqfs_compressor_t *)zstd;
 }
 
-static void zstd_destroy(compressor_t *base)
+static void zstd_destroy(sqfs_compressor_t *base)
 {
 	zstd_compressor_t *zstd = (zstd_compressor_t *)base;
 
@@ -117,10 +117,10 @@ static void zstd_destroy(compressor_t *base)
 	free(zstd);
 }
 
-compressor_t *create_zstd_compressor(const compressor_config_t *cfg)
+sqfs_compressor_t *zstd_compressor_create(const sqfs_compressor_config_t *cfg)
 {
 	zstd_compressor_t *zstd;
-	compressor_t *base;
+	sqfs_compressor_t *base;
 
 	if (cfg->flags & ~SQFS_COMP_FLAG_GENERIC_ALL) {
 		fputs("creating zstd compressor: unknown compressor flags\n",
@@ -133,7 +133,7 @@ compressor_t *create_zstd_compressor(const compressor_config_t *cfg)
 	}
 
 	zstd = calloc(1, sizeof(*zstd));
-	base = (compressor_t *)zstd;
+	base = (sqfs_compressor_t *)zstd;
 	if (zstd == NULL) {
 		perror("creating zstd compressor");
 		return NULL;