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// (‑●‑●)> dual licensed under the WTFPL v2 and MIT licenses
// without any warranty.
// by Gregory Pakosz (@gpakosz)
// https://github.com/gpakosz/whereami
#ifndef WHEREAMI_H
#define WHEREAMI_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef WAI_FUNCSPEC
#define WAI_FUNCSPEC
#endif
#ifndef WAI_PREFIX
#define WAI_PREFIX(function) wai_##function
#endif
/**
* Returns the path to the current executable.
*
* Usage:
* - first call `int length = wai_getExecutablePath(NULL, 0, NULL);` to
* retrieve the length of the path
* - allocate the destination buffer with `path = (char*)malloc(length + 1);`
* - call `wai_getExecutablePath(path, length, NULL)` again to retrieve the
* path
* - add a terminal NUL character with `path[length] = '\0';`
*
* @param out destination buffer, optional
* @param capacity destination buffer capacity
* @param dirname_length optional recipient for the length of the dirname part
* of the path.
*
* @return the length of the executable path on success (without a terminal NUL
* character), otherwise `-1`
*/
WAI_FUNCSPEC
int WAI_PREFIX(getExecutablePath)(char* out, int capacity, int* dirname_length);
/**
* Returns the path to the current module
*
* Usage:
* - first call `int length = wai_getModulePath(NULL, 0, NULL);` to retrieve
* the length of the path
* - allocate the destination buffer with `path = (char*)malloc(length + 1);`
* - call `wai_getModulePath(path, length, NULL)` again to retrieve the path
* - add a terminal NUL character with `path[length] = '\0';`
*
* @param out destination buffer, optional
* @param capacity destination buffer capacity
* @param dirname_length optional recipient for the length of the dirname part
* of the path.
*
* @return the length of the module path on success (without a terminal NUL
* character), otherwise `-1`
*/
WAI_FUNCSPEC
int WAI_PREFIX(getModulePath)(char* out, int capacity, int* dirname_length);
#ifdef __cplusplus
}
#endif
#endif // #ifndef WHEREAMI_H
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