| OLD | NEW |
|---|
| (Empty) |
| 1 //========================================== | |
| 2 // LIBCTINY - Matt Pietrek 2001 | |
| 3 // MSDN Magazine, January 2001 | |
| 4 //========================================== | |
| 5 #include "libctiny.h" | |
| 6 #include <windows.h> | |
| 7 #include "argcargv.h" | |
| 8 | |
| 9 #define _MAX_CMD_LINE_ARGS 128 | |
| 10 | |
| 11 char * _ppszArgv[_MAX_CMD_LINE_ARGS+1]; | |
| 12 | |
| 13 int __cdecl _ConvertCommandLineToArgcArgv() { | |
| 14 int cbCmdLine; | |
| 15 int argc; | |
| 16 PSTR pszSysCmdLine, pszCmdLine; | |
| 17 | |
| 18 // Set to no argv elements, in case we have to bail out | |
| 19 _ppszArgv[0] = 0; | |
| 20 | |
| 21 // First get a pointer to the system's version of the command line, and | |
| 22 // figure out how long it is. | |
| 23 pszSysCmdLine = GetCommandLine(); | |
| 24 cbCmdLine = lstrlen( pszSysCmdLine ); | |
| 25 | |
| 26 // Allocate memory to store a copy of the command line. We'll modify | |
| 27 // this copy, rather than the original command line. Yes, this memory | |
| 28 // currently doesn't explicitly get freed, but it goes away when the | |
| 29 // process terminates. | |
| 30 pszCmdLine = (PSTR)HeapAlloc( GetProcessHeap(), 0, cbCmdLine+1 ); | |
| 31 if (!pszCmdLine) | |
| 32 return 0; | |
| 33 | |
| 34 // Copy the system version of the command line into our copy | |
| 35 lstrcpyn( pszCmdLine, pszSysCmdLine , cbCmdLine+1); | |
| 36 | |
| 37 if ('"' == *pszCmdLine) // If command line starts with a quote ("), | |
| 38 { // it's a quoted filename. Skip to next quote. | |
| 39 pszCmdLine++; | |
| 40 | |
| 41 _ppszArgv[0] = pszCmdLine; // argv[0] == executable name | |
| 42 | |
| 43 while (*pszCmdLine && (*pszCmdLine != '"')) | |
| 44 pszCmdLine++; | |
| 45 | |
| 46 if (*pszCmdLine) // Did we see a non-NULL ending? | |
| 47 *pszCmdLine++ = 0; // Null terminate and advance to next char | |
| 48 else | |
| 49 return 0; // Oops! We didn't see the end quote | |
| 50 } | |
| 51 else // A regular (non-quoted) filename | |
| 52 { | |
| 53 _ppszArgv[0] = pszCmdLine; // argv[0] == executable name | |
| 54 | |
| 55 while (*pszCmdLine && (' ' != *pszCmdLine) && ('\t' != *pszCmdLine)) | |
| 56 pszCmdLine++; | |
| 57 | |
| 58 if (*pszCmdLine) | |
| 59 *pszCmdLine++ = 0; // Null terminate and advance to next char | |
| 60 } | |
| 61 | |
| 62 // Done processing argv[0] (i.e., the executable name). Now do th | |
| 63 // actual arguments | |
| 64 | |
| 65 argc = 1; | |
| 66 | |
| 67 while (1) | |
| 68 { | |
| 69 // Skip over any whitespace | |
| 70 while (*pszCmdLine && (' ' == *pszCmdLine) || ('\t' == *pszCmdLine)) | |
| 71 pszCmdLine++; | |
| 72 | |
| 73 if (0 == *pszCmdLine) // End of command line??? | |
| 74 return argc; | |
| 75 | |
| 76 if ('"' == *pszCmdLine) // Argument starting with a quote??? | |
| 77 { | |
| 78 pszCmdLine++; // Advance past quote character | |
| 79 | |
| 80 _ppszArgv[ argc++ ] = pszCmdLine; | |
| 81 _ppszArgv[ argc ] = 0; | |
| 82 | |
| 83 // Scan to end quote, or NULL terminator | |
| 84 while (*pszCmdLine && (*pszCmdLine != '"')) | |
| 85 pszCmdLine++; | |
| 86 | |
| 87 if (0 == *pszCmdLine) | |
| 88 return argc; | |
| 89 | |
| 90 if (*pszCmdLine) | |
| 91 *pszCmdLine++ = 0; // Null terminate and advance to next char | |
| 92 } | |
| 93 else // Non-quoted argument | |
| 94 { | |
| 95 _ppszArgv[ argc++ ] = pszCmdLine; | |
| 96 _ppszArgv[ argc ] = 0; | |
| 97 | |
| 98 // Skip till whitespace or NULL terminator | |
| 99 while (*pszCmdLine && (' '!=*pszCmdLine) && ('\t'!=*pszCmdLine)) | |
| 100 pszCmdLine++; | |
| 101 | |
| 102 if (0 == *pszCmdLine) | |
| 103 return argc; | |
| 104 | |
| 105 if (*pszCmdLine) | |
| 106 *pszCmdLine++ = 0; // Null terminate and advance to next char | |
| 107 } | |
| 108 | |
| 109 if (argc >= (_MAX_CMD_LINE_ARGS)) | |
| 110 return argc; | |
| 111 } | |
| 112 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master