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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
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| #ifdef HAVE_CONFIG_H | ||
| #include <config.h> | ||
| #endif | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
| #include <string.h> | ||
| #include <assert.h> | ||
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| #ifdef _WIN32 | ||
| #include <windows.h> | ||
| #include <io.h> | ||
| #endif | ||
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| #ifdef HAVE_GETOPT_H | ||
| #include <getopt.h> | ||
| #endif | ||
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| #if defined(_WIN32) && ! defined(__MINGW32__) | ||
| #include "XGetopt.h" | ||
| #endif | ||
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| int | ||
| main(int argc, char** argv) | ||
| { | ||
| int i; | ||
| int len; | ||
| char* result = NULL; | ||
| int noeol = 1; /* Default to -n vs -N */ | ||
| int escape = 1; /* Ditto */ | ||
| char* p = NULL; | ||
| char* q = NULL; | ||
| char c; | ||
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| #ifdef _WIN32 | ||
| _setmode(_fileno(stdout),_O_BINARY); | ||
| #endif | ||
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| opterr = 1; | ||
| while ((c = getopt(argc, argv,"enEN")) != EOF) { | ||
| switch(c) { | ||
| case 'e': escape = 1; break; | ||
| case 'n': noeol = 1; break; | ||
| case 'E': escape = 0; break; | ||
| case 'N': noeol = 0; break; | ||
| case '?': default: break; /* ignore */ | ||
| } | ||
| } | ||
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| /* leave non-flag args */ | ||
| argc -= optind; | ||
| argv += optind; | ||
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| /* Compute the max possible length of output */ | ||
| for(len=0,i=0;i<argc;i++) len += (int)strlen(argv[i]); | ||
| len += (argc - 1); /* inter-arg spacing */ | ||
| result = (char*)malloc((size_t)len+1+1); /* +1 for nul term +1 for '\n' */ | ||
| assert(result != NULL); | ||
| result[0] = '\0'; | ||
| /* Concat all the arguments with ' ' between them */ | ||
| for(i=0;i<argc;i++) { | ||
| if(i > 0) strcat(result," "); | ||
| strcat(result,argv[i]); | ||
| } | ||
| /* Optionally de-escape the result */ | ||
| if(escape) { | ||
| for(p=result,q=result;*p;) { | ||
| switch (*p) { | ||
| default: *q++ = *p; break; | ||
| case '\\': | ||
| p++; | ||
| switch(*p) { | ||
| case 'a': *q++ = '\a'; break; | ||
| case 'b': *q++ = '\b'; break; | ||
| case 'f': *q++ = '\f'; break; | ||
| case 'r': *q++ = '\r'; break; | ||
| case 'n': *q++ = '\n'; break; | ||
| case 't': *q++ = '\t'; break; | ||
| case 'v': *q++ = '\v'; break; | ||
| default: *q++ = *p; break; | ||
| } | ||
| break; | ||
| } | ||
| p++; | ||
| } | ||
| } else | ||
| *q++ = *p++; | ||
| if(!noeol) *p++ = '\n'; | ||
| *p = '\0'; | ||
| fputs(result,stdout); | ||
| fflush(stdout); | ||
| free(result); | ||
| return 0; | ||
| } |
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