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annotate RISCOS/Modules/getpath_riscos.c @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents fd25030223b0
children
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1 #include "Python.h"
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2 #include "osdefs.h"
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3
21087
41ea2abb74fb Use strncpy() instead of sprintf() in calculate_path().
Jeremy Hylton <jeremy@alum.mit.edu>
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4 static char *prefix, *exec_prefix, *progpath, *module_search_path=NULL;
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5
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6 static void
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7 calculate_path()
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8 {
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9 char *pypath = getenv("Python$Path");
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10 if (pypath) {
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11 int pathlen = strlen(pypath);
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12 module_search_path = malloc(pathlen + 1);
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13 if (module_search_path)
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14 strncpy(module_search_path, pypath, pathlen + 1);
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15 else {
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16 fprintf(stderr,
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17 "Not enough memory for dynamic PYTHONPATH.\n"
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18 "Using default static PYTHONPATH.\n");
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19 }
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20 }
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21 if (!module_search_path)
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22 module_search_path = "<Python$Dir>.Lib";
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23 prefix = "<Python$Dir>";
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24 exec_prefix = prefix;
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25 progpath = Py_GetProgramName();
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26 }
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27
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28 /* External interface */
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29
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30 char *
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31 Py_GetPath()
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32 {
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33 if (!module_search_path)
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34 calculate_path();
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35 return module_search_path;
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36 }
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37
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38 char *
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39 Py_GetPrefix()
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40 {
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41 if (!module_search_path)
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42 calculate_path();
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43 return prefix;
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44 }
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45
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46 char *
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47 Py_GetExecPrefix()
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48 {
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49 if (!module_search_path)
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50 calculate_path();
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51 return exec_prefix;
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52 }
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53
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54 char *
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55 Py_GetProgramFullPath()
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56 {
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57 if (!module_search_path)
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58 calculate_path();
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59 return progpath;
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60 }