| 1 | /* Heuristic for recognizing DSO file names. |
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| 2 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <stdbool.h> |
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| 20 | #include <string.h> |
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| 21 | |
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| 22 | /* Returns true if the file name looks like a DSO name. */ |
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| 23 | static bool |
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| 24 | _dl_is_dso (const char *name) |
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| 25 | { |
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| 26 | /* Recognize lib*.so*, ld-*.so*, ld.so.*, ld64.so.*. ld-*.so* |
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| 27 | matches both platform dynamic linker names like ld-linux.so.2, |
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| 28 | and versioned dynamic loader names like ld-2.12.so. */ |
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| 29 | return (((strncmp (s1: name, s2: "lib" , n: 3) == 0 || strncmp (s1: name, s2: "ld-" , n: 3) == 0) |
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| 30 | && strstr (haystack: name, needle: ".so" ) != NULL) |
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| 31 | || strncmp (s1: name, s2: "ld.so." , n: 6) == 0 |
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| 32 | || strncmp (s1: name, s2: "ld64.so." , n: 8) == 0); |
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| 33 | } |
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| 34 | |
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