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authorMattias Andrée <maandree@operamail.com>2015-11-23 21:31:28 +0100
committerMattias Andrée <maandree@operamail.com>2015-11-23 21:31:28 +0100
commita6ccf32e773d805c7e240e843b683ea1385a4172 (patch)
tree934353f12f780888f86bbbd7665f78721d6e893b /src
parenttypo (diff)
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add sockprintf, vsockprintf, sockwprintf, and vsockwprintf
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/stdio/printf.c163
1 files changed, 161 insertions, 2 deletions
diff --git a/src/stdio/printf.c b/src/stdio/printf.c
index c88fc99..e927ab7 100644
--- a/src/stdio/printf.c
+++ b/src/stdio/printf.c
@@ -184,6 +184,46 @@ static int wwrite_fd(const wchar_t* text, size_t length, int* fdp)
/**
+ * Write a string segment to a file.
+ *
+ * @param text The text to write, not NUL terminated.
+ * @param length The length of `text`.
+ * @param input Element 0: pointer to the file descriptor of the file.
+ * Element 1: flags for `send`.
+ * @return Zero on success, -1 on error.
+ *
+ * @throws Any error specified for `write`.
+ */
+static int send_fd(const char* text, size_t length, int* input)
+{
+ int fd = input[0], flags = input[1];
+ /* TODO send_fd */
+ return 0;
+ (void) text, (void) length, (void) fd, (void) flags;
+}
+
+
+/**
+ * Write a string segment to a file.
+ *
+ * @param text The text to write, not NUL terminated.
+ * @param length The length of `text`.
+ * @param input Element 0: pointer to the file descriptor of the file.
+ * Element 1: flags for `send`.
+ * @return Zero on success, -1 on error.
+ *
+ * @throws Any error specified for `write`.
+ */
+static int wsend_fd(const wchar_t* text, size_t length, int* input)
+{
+ int fd = input[0], flags = input[1];
+ /* TODO wsend_fd */
+ return 0;
+ (void) text, (void) length, (void) fd, (void) flags;
+}
+
+
+/**
* Write a string segment to a stream.
*
* @param text The text to write, not NUL terminated.
@@ -409,6 +449,36 @@ int dprintf(int fd, const char* restrict format, ...)
/**
+ * This function is identical to `dprintf`,
+ * except it uses `send` instead of `write`
+ * and supports transmissions flags.
+ *
+ * This is a slibc extension added for completeness.
+ *
+ * @param fd The file descriptor.
+ * @parma flags Flags to pass to `send`, see `send`
+ * for more information.
+ * @param format The formatting-string.
+ * @param ... The formatting-arguments.
+ * @return The number of written bytes.
+ * On error, a negative value (namely -1
+ * in this implementation) is returned.
+ * It is unspecified what shall happen if
+ * more than `INT_MAX` bytes are written;
+ * in slibc, `INT_MAX` is returned if more
+ * is written, you can use "%zn" to find
+ * the actual length.
+ *
+ * @throws EINVAL `format` contained unsupported formatting codes.
+ * @throws Any error specified for `write`.
+ */
+int sockprintf(int fd, int flags, const char* format restrict, ...)
+{
+ V(sockprintf(fd, flags, format, args));
+}
+
+
+/**
* This function is identical to `fprintf`,
* it prints to a buffer rather than a stream.
*
@@ -622,7 +692,7 @@ int vfprintf_unlocked(FILE* restrict stream, const char* restrict format, va_lis
/**
- * This function is identical to `vdprintf`,
+ * This function is identical to `dprintf`,
* except it uses `va_list` instead of variadic argument.
*
* @param fd The file descriptor.
@@ -647,6 +717,36 @@ int vdprintf(int fd, const char* restrict format, va_list args)
/**
+ * This function is identical to `sockprintf`,
+ * except it uses `va_list` instead of variadic argument.
+ *
+ * This is a slibc extension added for completeness.
+ *
+ * @param fd The file descriptor.
+ * @parma flags Flags to pass to `send`, see `send`
+ * for more information.
+ * @param format The formatting-string.
+ * @param args The formatting-arguments.
+ * @return The number of written bytes.
+ * On error, a negative value (namely -1
+ * in this implementation) is returned.
+ * It is unspecified what shall happen if
+ * more than `INT_MAX` bytes are written;
+ * in slibc, `INT_MAX` is returned if more
+ * is written, you can use "%zn" to find
+ * the actual length.
+ *
+ * @throws EINVAL `format` contained unsupported formatting codes.
+ * @throws Any error specified for `write`.
+ */
+int vsockprintf(int fd, int flags, const char* restrict format, va_list args)
+{
+ int input[] = {fd, flags};
+ P_CHAR(send_fd, 0, 0, 0, input);
+}
+
+
+/**
* This function is identical to `sprintf`,
* except it uses `va_list` instead of variadic argument.
*
@@ -891,6 +991,35 @@ int dwprintf(int fd, const wchar_t* restrict format, ...)
/**
+ * This function is identical to `sockprintf`
+ * except it uses wide characters.
+ *
+ * This is a slibc extension added for completeness.
+ *
+ * @param fd The file descriptor.
+ * @parma flags Flags to pass to `send`, see `send`
+ * for more information.
+ * @param format The formatting-string.
+ * @param ... The formatting-arguments.
+ * @return The number of written bytes.
+ * On error, a negative value (namely -1
+ * in this implementation) is returned.
+ * It is unspecified what shall happen if
+ * more than `INT_MAX` bytes are written;
+ * in slibc, `INT_MAX` is returned if more
+ * is written, you can use "%zn" to find
+ * the actual length.
+ *
+ * @throws EINVAL `format` contained unsupported formatting codes.
+ * @throws Any error specified for `write`.
+ */
+int sockwprintf(int fd, int flags, const wchar_t* restrict format, ...)
+{
+ V(sockwprintf(fd, flags, format, args));
+}
+
+
+/**
* This function is identical to `snprintf`
* (not `sprintf`) except it uses wide characters.
*
@@ -1078,7 +1207,7 @@ int vfwprintf_unlocked(FILE* restrict stream, const wchar_t* restrict format, va
/**
- * This function is identical to `vdprintf`,
+ * This function is identical to `dwprintf`,
* except it uses `va_list` instead of variadic argument.
*
* This is a slibc extension added for completeness.
@@ -1105,6 +1234,36 @@ int vdwprintf(int fd, const wchar_t* restrict format, va_list args)
/**
+ * This function is identical to `sockwprintf`
+ * except it uses `va_list` instead of variadic argument.
+ *
+ * This is a slibc extension added for completeness.
+ *
+ * @param fd The file descriptor.
+ * @parma flags Flags to pass to `send`, see `send`
+ * for more information.
+ * @param format The formatting-string.
+ * @param args The formatting-arguments.
+ * @return The number of written bytes.
+ * On error, a negative value (namely -1
+ * in this implementation) is returned.
+ * It is unspecified what shall happen if
+ * more than `INT_MAX` bytes are written;
+ * in slibc, `INT_MAX` is returned if more
+ * is written, you can use "%zn" to find
+ * the actual length.
+ *
+ * @throws EINVAL `format` contained unsupported formatting codes.
+ * @throws Any error specified for `write`.
+ */
+int vsockwprintf(int fd, int flags, const wchar_t* restrict format, va_list args)
+{
+ int input[] = {fd, flags};
+ P_WCHAR(wsend_fd, 0, 0, 0, input);
+}
+
+
+/**
* This function is identical to `swprintf`,
* except it uses `va_list` instead of variadic argument.
*