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Stdin stdout support #3

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Stdin stdout support #3

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d8db348
Hack in stdin/stdout support for bin2txt
ROMitat Oct 5, 2015
2037b25
Add stdin/stdout support to txt2bin too
ROMitat Oct 5, 2015
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39 changes: 33 additions & 6 deletions convertvec.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,28 @@
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <malloc.h>
//#include <malloc.h>
#include <stdlib.h>

const long long max_w = 2000;

// Convert from text format to binary
void txt2bin(char * input_path, char * output_path){
FILE * fi = fopen(input_path, "rb");
FILE * fo = fopen(output_path, "wb");
FILE * fi;
FILE * fo;

if (input_path == NULL || strlen(input_path) == 0
|| strcmp(input_path, "-") == 0) {
fi = freopen(NULL, "rb", stdin);
} else {
fi = fopen(input_path, "rb");
}
if (output_path == NULL || strlen(output_path) == 0
|| strcmp(output_path, "-") == 0) {
fo = freopen(NULL, "wb", stdout);
} else {
fo = fopen(output_path, "wb");
}

long long words, size;
fscanf(fi, "%lld", &words);
Expand Down Expand Up @@ -54,9 +67,22 @@ void txt2bin(char * input_path, char * output_path){

// Convert from binary to text format
void bin2txt(char * input_path, char * output_path){
FILE * fi = fopen(input_path, "rb");
FILE * fo = fopen(output_path, "wb");

FILE * fi;
FILE * fo;

if (input_path == NULL || strlen(input_path) == 0
|| strcmp(input_path, "-") == 0) {
fi = freopen(NULL, "rb", stdin);
} else {
fi = fopen(input_path, "rb");
}
if (output_path == NULL || strlen(output_path) == 0
|| strcmp(output_path, "-") == 0) {
fo = freopen(NULL, "wb", stdout);
} else {
fo = fopen(output_path, "wb");
}

long long words, size;
fscanf(fi, "%lld", &words);
fscanf(fi, "%lld", &size);
Expand Down Expand Up @@ -96,6 +122,7 @@ int main(int argc, char **argv) {
return 0;
}

// TODO: it should be possible to sniff the input file to determine this
if(strcmp(argv[1], "bin2txt") == 0)
bin2txt(argv[2], argv[3]);
else if(strcmp(argv[1], "txt2bin") == 0)
Expand Down