From: Uwe Hermann <redacted>
Date: Sun, 20 Feb 2011 17:24:25 +0000 (+0100)
Subject: Constify some more 'char *' parameters.
X-Git-Tag: libsigrok-0.1.0~316
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=54ac5277c5e462f1778300b9bc3fdd4709ecb2dc;p=libsigrok.git

Constify some more 'char *' parameters.
---

diff --git a/hardware/alsa/alsa.c b/hardware/alsa/alsa.c
index c985e6be..4ec98a9e 100644
--- a/hardware/alsa/alsa.c
+++ b/hardware/alsa/alsa.c
@@ -45,7 +45,7 @@ struct alsa {
 	gpointer session_id;
 };
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 	struct alsa *alsa;
diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index ce67cc00..bc36764e 100644
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -387,7 +387,7 @@ static int bin2bitbang(const char *filename,
 	return 0;
 }
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 	struct sigma *sigma = g_malloc(sizeof(struct sigma));
diff --git a/hardware/common/skeleton.c b/hardware/common/skeleton.c
index cc673291..352c4eab 100644
--- a/hardware/common/skeleton.c
+++ b/hardware/common/skeleton.c
@@ -19,7 +19,7 @@
 
 #include <sigrok.h>
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 }
 
diff --git a/hardware/demo/demo.c b/hardware/demo/demo.c
index 6bacaf03..c318cb39 100644
--- a/hardware/demo/demo.c
+++ b/hardware/demo/demo.c
@@ -98,7 +98,7 @@ static int thread_running;
 
 static void hw_stop_acquisition(int device_index, gpointer session_device_id);
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 
diff --git a/hardware/link-mso19/link-mso19.c b/hardware/link-mso19/link-mso19.c
index bb72fd3f..648fe5bb 100644
--- a/hardware/link-mso19/link-mso19.c
+++ b/hardware/link-mso19/link-mso19.c
@@ -347,7 +347,7 @@ static int mso_parse_serial(const char *iSerial, const char *iProduct,
 	return SR_OK;
 }
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 	int devcnt = 0;
diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c
index 3c17e7e1..d94f7710 100644
--- a/hardware/openbench-logic-sniffer/ols.c
+++ b/hardware/openbench-logic-sniffer/ols.c
@@ -219,7 +219,7 @@ static uint32_t reverse32(uint32_t in)
 	return out;
 }
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 	GSList *ports, *l;
diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c
index 81ef3e8c..eff4cf9e 100644
--- a/hardware/saleae-logic/saleae-logic.c
+++ b/hardware/saleae-logic/saleae-logic.c
@@ -291,7 +291,7 @@ static int configure_probes(GSList *probes)
  * API callbacks
  */
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 	struct libusb_device_descriptor des;
diff --git a/hardware/zeroplus-logic-cube/zeroplus.c b/hardware/zeroplus-logic-cube/zeroplus.c
index d55122a2..55742811 100644
--- a/hardware/zeroplus-logic-cube/zeroplus.c
+++ b/hardware/zeroplus-logic-cube/zeroplus.c
@@ -273,7 +273,7 @@ static int configure_probes(GSList *probes)
  * API callbacks
  */
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 	struct sr_device_instance *sdi;
 	struct libusb_device_descriptor des;
diff --git a/output/output_analog.c b/output/output_analog.c
index 94bd8d8d..0eb897f7 100644
--- a/output/output_analog.c
+++ b/output/output_analog.c
@@ -202,8 +202,8 @@ static int init_bits(struct sr_output *o)
 	return init(o, DEFAULT_BPL_BITS, MODE_BITS);
 }
 
-static int data_bits(struct sr_output *o, char *data_in, uint64_t length_in,
-		     char **data_out, uint64_t *length_out)
+static int data_bits(struct sr_output *o, const char *data_in,
+		     uint64_t length_in, char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
 	unsigned int outsize, offset, p;
@@ -288,8 +288,8 @@ static int init_hex(struct sr_output *o)
 	return init(o, DEFAULT_BPL_HEX, MODE_HEX);
 }
 
-static int data_hex(struct sr_output *o, char *data_in, uint64_t length_in,
-		    char **data_out, uint64_t *length_out)
+static int data_hex(struct sr_output *o, const char *data_in,
+		    uint64_t length_in, char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
 	unsigned int outsize, offset, p;
@@ -353,8 +353,8 @@ static int init_ascii(struct sr_output *o)
 	return init(o, DEFAULT_BPL_ASCII, MODE_ASCII);
 }
 
-static int data_ascii(struct sr_output *o, char *data_in, uint64_t length_in,
-		     char **data_out, uint64_t *length_out)
+static int data_ascii(struct sr_output *o, const char *data_in,
+		      uint64_t length_in, char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
 	unsigned int outsize, offset, p;
diff --git a/output/output_binary.c b/output/output_binary.c
index 2fee7fff..e3edf62e 100644
--- a/output/output_binary.c
+++ b/output/output_binary.c
@@ -25,7 +25,7 @@
 #include "config.h"
 
 
-static int data(struct sr_output *o, char *data_in, uint64_t length_in,
+static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
 		char **data_out, uint64_t *length_out)
 {
 	char *outbuf;
diff --git a/output/output_gnuplot.c b/output/output_gnuplot.c
index 10b9c264..09a42ad6 100644
--- a/output/output_gnuplot.c
+++ b/output/output_gnuplot.c
@@ -141,7 +141,7 @@ static int event(struct sr_output *o, int event_type, char **data_out,
 	return SR_OK;
 }
 
-static int data(struct sr_output *o, char *data_in, uint64_t length_in,
+static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
 		char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
diff --git a/output/output_ols.c b/output/output_ols.c
index bc006dc2..966eb0b7 100644
--- a/output/output_ols.c
+++ b/output/output_ols.c
@@ -97,7 +97,7 @@ static int event(struct sr_output *o, int event_type, char **data_out,
 	return SR_OK;
 }
 
-static int data(struct sr_output *o, char *data_in, uint64_t length_in,
+static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
 		char **data_out, uint64_t *length_out)
 {
 	GString *out;
diff --git a/output/output_skeleton.c b/output/output_skeleton.c
index a58b87aa..e4b3baf6 100644
--- a/output/output_skeleton.c
+++ b/output/output_skeleton.c
@@ -25,7 +25,7 @@ static int init(struct sr_output *o)
 	return 0;
 }
 
-static int data(struct sr_output *o, char *data_in, uint64_t length_in,
+static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
 		char **data_out, uint64_t *length_out)
 {
 	return SR_OK;
diff --git a/output/output_vcd.c b/output/output_vcd.c
index 61d27a10..17505e6a 100644
--- a/output/output_vcd.c
+++ b/output/output_vcd.c
@@ -165,7 +165,7 @@ static int event(struct sr_output *o, int event_type, char **data_out,
 	return SR_OK;
 }
 
-static int data(struct sr_output *o, char *data_in, uint64_t length_in,
+static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
 		char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
diff --git a/output/text/ascii.c b/output/text/ascii.c
index 3e7f2e35..e4eacaf3 100644
--- a/output/text/ascii.c
+++ b/output/text/ascii.c
@@ -30,8 +30,8 @@ int init_ascii(struct sr_output *o)
 	return init(o, DEFAULT_BPL_ASCII, MODE_ASCII);
 }
 
-int data_ascii(struct sr_output *o, char *data_in, uint64_t length_in,
-		     char **data_out, uint64_t *length_out)
+int data_ascii(struct sr_output *o, const char *data_in, uint64_t length_in,
+	       char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
 	unsigned int outsize, offset, p;
diff --git a/output/text/bits.c b/output/text/bits.c
index 755a463a..ccf55070 100644
--- a/output/text/bits.c
+++ b/output/text/bits.c
@@ -30,8 +30,8 @@ int init_bits(struct sr_output *o)
 	return init(o, DEFAULT_BPL_BITS, MODE_BITS);
 }
 
-int data_bits(struct sr_output *o, char *data_in, uint64_t length_in,
-		     char **data_out, uint64_t *length_out)
+int data_bits(struct sr_output *o, const char *data_in, uint64_t length_in,
+	      char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
 	unsigned int outsize, offset, p;
diff --git a/output/text/hex.c b/output/text/hex.c
index e63feb14..37785af3 100644
--- a/output/text/hex.c
+++ b/output/text/hex.c
@@ -30,8 +30,8 @@ int init_hex(struct sr_output *o)
 	return init(o, DEFAULT_BPL_HEX, MODE_HEX);
 }
 
-int data_hex(struct sr_output *o, char *data_in, uint64_t length_in,
-		    char **data_out, uint64_t *length_out)
+int data_hex(struct sr_output *o, const char *data_in, uint64_t length_in,
+	     char **data_out, uint64_t *length_out)
 {
 	struct context *ctx;
 	unsigned int outsize, offset, p;
diff --git a/output/text/text.h b/output/text/text.h
index b8b6d3b8..c166d853 100644
--- a/output/text/text.h
+++ b/output/text/text.h
@@ -17,7 +17,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-
 #ifndef TEXT_H_
 #define TEXT_H_
 
@@ -54,16 +53,15 @@ int event(struct sr_output *o, int event_type, char **data_out,
 
 
 int init_bits(struct sr_output *o);
-int data_bits(struct sr_output *o, char *data_in, uint64_t length_in,
+int data_bits(struct sr_output *o, const char *data_in, uint64_t length_in,
 		     char **data_out, uint64_t *length_out);
 
 int init_hex(struct sr_output *o);
-int data_hex(struct sr_output *o, char *data_in, uint64_t length_in,
+int data_hex(struct sr_output *o, const char *data_in, uint64_t length_in,
 		     char **data_out, uint64_t *length_out);
 
 int init_ascii(struct sr_output *o);
-int data_ascii(struct sr_output *o, char *data_in, uint64_t length_in,
+int data_ascii(struct sr_output *o, const char *data_in, uint64_t length_in,
 		     char **data_out, uint64_t *length_out);
 
-
-#endif /* TEXT_H_ */
+#endif
diff --git a/session_driver.c b/session_driver.c
index 56740fa5..fa1b9065 100644
--- a/session_driver.c
+++ b/session_driver.c
@@ -111,7 +111,7 @@ static int feed_chunk(int fd, int revents, void *user_data)
 
 /* driver callbacks */
 
-static int hw_init(char *deviceinfo)
+static int hw_init(const char *deviceinfo)
 {
 
 	sessionfile = g_strdup(deviceinfo);
diff --git a/sigrok.h b/sigrok.h
index 81709b3e..ba571c2c 100644
--- a/sigrok.h
+++ b/sigrok.h
@@ -157,8 +157,8 @@ struct sr_output_format {
 	char *description;
 	int df_type;
 	int (*init) (struct sr_output *o);
-	int (*data) (struct sr_output *o, char *data_in, uint64_t length_in,
-		     char **data_out, uint64_t *length_out);
+	int (*data) (struct sr_output *o, const char *data_in,
+		     uint64_t length_in, char **data_out, uint64_t *length_out);
 	int (*event) (struct sr_output *o, int event_type, char **data_out,
 		      uint64_t *length_out);
 };
@@ -326,7 +326,7 @@ struct sr_device_plugin {
 	char *name;
 	char *longname;
 	int api_version;
-	int (*init) (char *deviceinfo);
+	int (*init) (const char *deviceinfo);
 	void (*cleanup) (void);
 
 	/* Device-specific */