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file: add handling of native AmigaOS paths

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On AmigaOS 4.x, handle native absolute paths, whilst blocking relative
paths. Also allow unix style paths if feature enabled at link time.

Inspiration-from: Michael Trebilcock

Closes #9259
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Futaura 2022-08-05 12:38:30 +01:00 committed by Daniel Stenberg
parent ba2ccf368e
commit 23c708cdc8
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1 changed files with 27 additions and 0 deletions
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27
lib/file.c
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@ -71,6 +71,8 @@
#if defined(WIN32) || defined(MSDOS) || defined(__EMX__)
#define DOS_FILESYSTEM 1
#elif defined(__amigaos4__)
#define AMIGA_FILESYSTEM 1
#endif
#ifdef OPEN_NEEDS_ARG3
@ -196,8 +198,33 @@ static CURLcode file_connect(struct Curl_easy *data, bool *done)
return CURLE_URL_MALFORMAT;
}
#ifdef AMIGA_FILESYSTEM
/*
* A leading slash in an AmigaDOS path denotes the parent
* directory, and hence we block this as it is relative.
* Absolute paths start with 'volumename:', so we check for
* this first. Failing that, we treat the path as a real unix
* path, but only if the application was compiled with -lunix.
*/
fd = -1;
file->path = real_path;
if(real_path[0] == '/') {
extern int __unix_path_semantics;
if(strchr(real_path + 1, ':')) {
/* Amiga absolute path */
fd = open_readonly(real_path + 1, O_RDONLY);
file->path++;
}
else if(__unix_path_semantics) {
/* -lunix fallback */
fd = open_readonly(real_path, O_RDONLY);
}
}
#else
fd = open_readonly(real_path, O_RDONLY);
file->path = real_path;
#endif
#endif
file->freepath = real_path; /* free this when done */