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![Johannes Schindelin](/assets/img/avatar_default.png)
* maint-2.20: (36 commits) Git 2.20.2 t7415: adjust test for dubiously-nested submodule gitdirs for v2.20.x Git 2.19.3 Git 2.18.2 Git 2.17.3 Git 2.16.6 test-drop-caches: use `has_dos_drive_prefix()` Git 2.15.4 Git 2.14.6 mingw: handle `subst`-ed "DOS drives" mingw: refuse to access paths with trailing spaces or periods mingw: refuse to access paths with illegal characters unpack-trees: let merged_entry() pass through do_add_entry()'s errors quote-stress-test: offer to test quoting arguments for MSYS2 sh t6130/t9350: prepare for stringent Win32 path validation quote-stress-test: allow skipping some trials quote-stress-test: accept arguments to test via the command-line tests: add a helper to stress test argument quoting mingw: fix quoting of arguments Disallow dubiously-nested submodule git directories ...
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#include "../../git-compat-util.h"
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int win32_has_dos_drive_prefix(const char *path)
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{
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int i;
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/*
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* Does it start with an ASCII letter (i.e. highest bit not set),
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* followed by a colon?
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*/
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if (!(0x80 & (unsigned char)*path))
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return *path && path[1] == ':' ? 2 : 0;
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/*
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* While drive letters must be letters of the English alphabet, it is
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* possible to assign virtually _any_ Unicode character via `subst` as
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* a drive letter to "virtual drives". Even `1`, or `ä`. Or fun stuff
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* like this:
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*
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* subst ֍: %USERPROFILE%\Desktop
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*/
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for (i = 1; i < 4 && (0x80 & (unsigned char)path[i]); i++)
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; /* skip first UTF-8 character */
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return path[i] == ':' ? i + 1 : 0;
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}
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int win32_skip_dos_drive_prefix(char **path)
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{
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int ret = has_dos_drive_prefix(*path);
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*path += ret;
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return ret;
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}
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int win32_offset_1st_component(const char *path)
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{
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char *pos = (char *)path;
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/* unc paths */
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if (!skip_dos_drive_prefix(&pos) &&
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is_dir_sep(pos[0]) && is_dir_sep(pos[1])) {
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/* skip server name */
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pos = strpbrk(pos + 2, "\\/");
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if (!pos)
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return 0; /* Error: malformed unc path */
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do {
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pos++;
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} while (*pos && !is_dir_sep(*pos));
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}
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return pos + is_dir_sep(*pos) - path;
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}
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