Mercurial > pub > dyncall > dyncall
diff test/dynload_plain/dynload_plain.c @ 308:7c6f19d42b31
dynload UTF-8 support for library paths:
- added missing support to windows
- added test code for all platforms to dynload_plain
- doc update
author | Tassilo Philipp |
---|---|
date | Thu, 24 Oct 2019 23:19:20 +0200 |
parents | f5577f6bf97a |
children | 5b1ff4c73194 |
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line diff
--- a/test/dynload_plain/dynload_plain.c Mon Apr 29 11:51:30 2019 +0200 +++ b/test/dynload_plain/dynload_plain.c Thu Oct 24 23:19:20 2019 +0200 @@ -36,6 +36,15 @@ #endif +int strlen_utf8(const char *s) +{ + int i=0, j=0; + while(s[i]) + j += ((s[i++] & 0xc0) != 0x80); + return j; +} + + int main(int argc, char* argv[]) { int r = 0, i; @@ -47,7 +56,7 @@ /* can be specified in Makefile; this avoids trying to write portable directory traversal stuff */ const char* clibs[] = { #if defined(DEF_C_DYLIB) - DEF_C_DYLIB, + DEF_C_DYLIB, #endif "/lib/libc.so", "/lib32/libc.so", @@ -90,8 +99,8 @@ bs = dlGetLibraryPath(pLib, queriedPath, 200); if(bs && bs <= 200) { - struct stat st0, st1; /* to check if same file */ - int b; + struct stat st0, st1; /* to check if same file */ + int b, bs_; printf("path of lib looked up via handle: %s\n", queriedPath); b = (stat(path, &st0) != -1) && (stat(queriedPath, &st1) != -1); printf("lib (inode:%d) and looked up lib (inode:%d) are same: %d\n", b?st0.st_ino:-1, b?st1.st_ino:-1, b && (st0.st_ino == st1.st_ino)); //@@@ on windows, inode numbers returned here are always 0 @@ -100,13 +109,59 @@ /* check correct bufsize retval */ b = (bs == strlen(queriedPath) + 1); - printf("looked up path's needed buffer size (%d) computed correctly: %d\n", bs, b); + printf("looked up path's needed buffer size (%d) computed correctly 1/2: %d\n", bs, b); + r += b; + + /* check perfect fitting bufsize */ + queriedPath[0] = 0; + bs_ = dlGetLibraryPath(pLib, queriedPath, bs); + b = (bs == bs_ && bs_ == strlen(queriedPath) + 1); + printf("looked up path's needed buffer size (%d) computed correctly 2/2: %d\n", bs_, b); + r += b; + + /* check if dlGetLibraryPath returns size required if bufsize too small */ + queriedPath[0] = 0; + bs_ = dlGetLibraryPath(pLib, queriedPath, 1); /* tiny max buffer size */ + b = (bs == bs_ && strlen(queriedPath) == 0); /* nothing copied */ + printf("path lookup size requirement (%d) correctly returned: %d\n", bs_, b); r += b; } else printf("failed to query lib path using lib's handle\n"); dlFreeLibrary(pLib); + + /* check if dlGetLibraryPath returns 0 when trying to lookup dummy */ + bs = dlGetLibraryPath((DLLib*)1234, queriedPath, 200); + printf("path lookup failed as expected with bad lib handle: %d\n", bs == 0); + r += (bs == 0); + + /* test UTF-8 path through dummy library that's created by this test's build */ + { + static const char* pathU8 = "./dynload_plain_\xc3\x9f_test"; + int nu8c, b; + + //cp(pathU8, "/lib/libz.so.6"); + pLib = dlLoadLibrary(pathU8); /* check if we can load a lib with a UTF-8 path */ + printf("pLib (loaded w/ UTF-8 path %s) handle: %p\n", pathU8, pLib); + r += (p != NULL); + + if(pLib) { + /* get UTF-8 path back */ + bs = dlGetLibraryPath((DLLib*)pLib, queriedPath, 200); + if(bs && bs <= 200) { + nu8c = strlen_utf8(queriedPath); /* num of UTF-8 chars is as big as ... */ + b = (bs > 0) && (nu8c == bs-2); /* ... buffer size minus 2 (b/c of one 2-byte UTF-8 char and "\0") */ + printf("UTF-8 path of lib looked up via handle: %s\n", queriedPath); + printf("looked up UTF-8 path's needed buffer size (%d) for %d UTF-8 char string computed correctly: %d\n", bs, nu8c, b); + r += b; + + dlFreeLibrary(pLib); + } + else + printf("failed to query UTF-8 lib path using lib's handle\n"); + } + } } else printf("unable to open library %s\n", path); @@ -145,15 +200,15 @@ name = dlSymsNameFromValue(pSyms, p); printf("printf symbol name by its own address (%p): %s\n", p, name?name:""); if(name) { - if(strcmp(name, "printf") == 0) - ++r; - else { - /* Symbol name returned might be an "alias". In that case, check address again (full lookup to be sure). */ - void* p0 = dlFindSymbol(pLib, name); - printf("lookup by address returned different name (%s), which is alias of printf: %d\n", name, (p==p0)); - r += (p == p0); - } - } + if(strcmp(name, "printf") == 0) + ++r; + else { + /* Symbol name returned might be an "alias". In that case, check address again (full lookup to be sure). */ + void* p0 = dlFindSymbol(pLib, name); + printf("lookup by address returned different name (%s), which is alias of printf: %d\n", name, (p==p0)); + r += (p == p0); + } + } dlFreeLibrary(pLib); } @@ -164,7 +219,7 @@ } /* Check final score of right ones to see if all worked */ - r = (r == 10); + r = (r == 15); printf("result: dynload_plain: %d\n", r); return !r; }