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Diffstat (limited to 'include/grpc/support/string.h')
-rw-r--r-- | include/grpc/support/string.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/grpc/support/string.h b/include/grpc/support/string.h new file mode 100644 index 0000000000..08c8809e64 --- /dev/null +++ b/include/grpc/support/string.h @@ -0,0 +1,76 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GRPC_SUPPORT_STRING_H__ +#define __GRPC_SUPPORT_STRING_H__ + +#include <stddef.h> + +#include <grpc/support/port_platform.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* String utility functions */ + +/* Returns a copy of src that can be passed to gpr_free(). + If allocation fails or if src is NULL, returns NULL. */ +char *gpr_strdup(const char *src); + +/* flag to include plaintext after a hexdump */ +#define GPR_HEXDUMP_PLAINTEXT 0x00000001 + +/* Converts array buf, of length len, into a hexadecimal dump. Result should + be freed with gpr_free() */ +char *gpr_hexdump(const char *buf, size_t len, gpr_uint32 flags); + +/* Parses an array of bytes into an integer (base 10). Returns 1 on success, + 0 on failure. */ +int gpr_parse_bytes_to_uint32(const char *data, size_t length, + gpr_uint32 *result); + +/* printf to a newly-allocated string. The set of supported formats may vary + between platforms. + + On success, returns the number of bytes printed (excluding the final '\0'), + and *strp points to a string which must later be destroyed with gpr_free(). + + On error, returns -1 and sets *strp to NULL. */ +int gpr_asprintf(char **strp, const char *format, ...); + +#ifdef __cplusplus +} +#endif + +#endif /* __GRPC_SUPPORT_STRING_H__ */ |