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https://github.com/linux-msm/qdl.git
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Oleksandr Suvorov
f704b4e88e
Add a cross-platform helper to test whether a path is absolute. On POSIX, a path starting with '/' is absolute. On Windows, absolute paths are either drive-letter paths (e.g. "C:\...") or UNC paths (e.g. "\\server\share"). Signed-off-by: Oleksandr Suvorov <cryosay@gmail.com>
48 lines
1017 B
C
48 lines
1017 B
C
/* SPDX-License-Identifier: BSD-3-Clause */
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#ifndef __OSCOMPAT_H__
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#define __OSCOMPAT_H__
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#include <ctype.h>
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#include <stdbool.h>
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#ifndef _WIN32
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#include <err.h>
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#define O_BINARY 0
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#else // _WIN32
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#include <sys/time.h>
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void timeradd(const struct timeval *a, const struct timeval *b, struct timeval *result);
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void err(int eval, const char *fmt, ...);
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void errx(int eval, const char *fmt, ...);
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void warn(const char *fmt, ...);
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void warnx(const char *fmt, ...);
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#endif
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/**
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* path_is_absolute() - check if a path is absolute
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* @path: path string to check
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*
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* On POSIX systems, a path starting with '/' is absolute.
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* On Windows, absolute paths are either drive-letter paths (e.g. "C:\...")
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* or UNC paths (e.g. "\\server\share").
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*
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* Returns: true if @path is absolute, false otherwise
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*/
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static inline bool path_is_absolute(const char *path)
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{
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#ifndef _WIN32
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return path[0] == '/';
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#else
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return (isalpha(path[0]) && path[1] == ':') ||
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(path[0] == '\\' && path[1] == '\\');
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#endif
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}
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#endif
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