portability: Use g_strerror() in favor of strerror().

[libsigrok.git] / src / input / input.c

diff --git a/src/input/input.c b/src/input/input.c
index 3c7fd516a309ea7e05aff2da1b3c16a592355d6a..71604658809761444892d92cf625df2591408006 100644 (file)
--- a/src/input/input.c
+++ b/src/input/input.c
@@ -23,10 +23,12 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
 
+/** @cond PRIVATE */
 #define LOG_PREFIX "input"
+/** @endcond */
 
 /**
  * @file
@@ -89,14 +91,14 @@ SR_API const struct sr_input_module **sr_input_list(void)
  *
  * @since 0.4.0
  */
-SR_API const char *sr_input_id_get(const struct sr_input_module *o)
+SR_API const char *sr_input_id_get(const struct sr_input_module *imod)
 {
-       if (!o) {
+       if (!imod) {
                sr_err("Invalid input module NULL!");
                return NULL;
        }
 
-       return o->id;
+       return imod->id;
 }
 
 /**
@@ -104,14 +106,14 @@ SR_API const char *sr_input_id_get(const struct sr_input_module *o)
  *
  * @since 0.4.0
  */
-SR_API const char *sr_input_name_get(const struct sr_input_module *o)
+SR_API const char *sr_input_name_get(const struct sr_input_module *imod)
 {
-       if (!o) {
+       if (!imod) {
                sr_err("Invalid input module NULL!");
                return NULL;
        }
 
-       return o->name;
+       return imod->name;
 }
 
 /**
@@ -119,14 +121,33 @@ SR_API const char *sr_input_name_get(const struct sr_input_module *o)
  *
  * @since 0.4.0
  */
-SR_API const char *sr_input_description_get(const struct sr_input_module *o)
+SR_API const char *sr_input_description_get(const struct sr_input_module *imod)
 {
-       if (!o) {
+       if (!imod) {
                sr_err("Invalid input module NULL!");
                return NULL;
        }
 
-       return o->desc;
+       return imod->desc;
+}
+
+/**
+ * Returns the specified input module's file extensions typical for the file
+ * format, as a NULL terminated array, or returns a NULL pointer if there is
+ * no preferred extension.
+ * @note these are a suggestions only.
+ *
+ * @since 0.4.0
+ */
+SR_API const char *const *sr_input_extensions_get(
+               const struct sr_input_module *imod)
+{
+       if (!imod) {
+               sr_err("Invalid input module NULL!");
+               return NULL;
+       }
+
+       return imod->exts;
 }
 
 /**
@@ -210,8 +231,9 @@ SR_API void sr_input_options_free(const struct sr_option **options)
  * This function is used when a client wants to use a specific input
  * module to parse a stream. No effort is made to identify the format.
  *
+ * @param imod The input module to use. Must not be NULL.
  * @param options GHashTable consisting of keys corresponding with
- * the module options \c id field. The values should be GVariant
+ * the module options @c id field. The values should be GVariant
  * pointers with sunk references, of the same GVariantType as the option's
  * default value.
  *
@@ -409,7 +431,7 @@ SR_API int sr_input_scan_file(const char *filename, const struct sr_input **in)
        }
 
        if (stat(filename, &st) < 0) {
-               sr_err("%s", strerror(errno));
+               sr_err("%s", g_strerror(errno));
                return SR_ERR_ARG;
        }
 
@@ -449,7 +471,7 @@ SR_API int sr_input_scan_file(const char *filename, const struct sr_input **in)
                                                GINT_TO_POINTER(st.st_size));
                        } else if (mitem == SR_INPUT_META_HEADER) {
                                if ((fd = open(filename, O_RDONLY)) < 0) {
-                                       sr_err("%s", strerror(errno));
+                                       sr_err("%s", g_strerror(errno));
                                        return SR_ERR;
                                }
                                size = read(fd, header_buf->str, 128);
@@ -457,7 +479,7 @@ SR_API int sr_input_scan_file(const char *filename, const struct sr_input **in)
                                close(fd);
                                if (size <= 0) {
                                        g_string_free(header_buf, TRUE);
-                                       sr_err("%s", strerror(errno));
+                                       sr_err("%s", g_strerror(errno));
                                        return SR_ERR;
                                }
                                g_hash_table_insert(meta, GINT_TO_POINTER(mitem), header_buf);
@@ -568,5 +590,4 @@ SR_API void sr_input_free(const struct sr_input *in)
        g_free((gpointer)in);
 }
 
-
 /** @} */