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/*
csvfix - reads (possibly malformed) CSV data from input file
and writes properly formed CSV to output file
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <csv.h>
void cb1 (void *s, size_t i, void *outfile) {
csv_fwrite((FILE *)outfile, s, i);
fputc(',',(FILE *)outfile);
}
void cb2 (int c, void *outfile) {
fseek((FILE *)outfile, -1, SEEK_CUR);
fputc('\n', (FILE *)outfile);
}
int main (int argc, char *argv[]) {
char buf[1024];
size_t i;
struct csv_parser p;
FILE *infile, *outfile;
csv_init(&p, 0);
if (argc != 3) {
fprintf(stderr, "Usage: csv_fix infile outfile\n");
return EXIT_FAILURE;
}
if (!strcmp(argv[1], argv[2])) {
fprintf(stderr, "Input file and output file must not be the same!\n");
exit(EXIT_FAILURE);
}
infile = fopen(argv[1], "rb");
if (infile == NULL) {
fprintf(stderr, "Failed to open file %s: %s\n", argv[1], strerror(errno));
exit(EXIT_FAILURE);
}
outfile = fopen(argv[2], "wb");
if (outfile == NULL) {
fprintf(stderr, "Failed to open file %s: %s\n", argv[2], strerror(errno));
fclose(infile);
exit(EXIT_FAILURE);
}
while ((i=fread(buf, 1, 1024, infile)) > 0) {
if (csv_parse(&p, buf, i, cb1, cb2, outfile) != i) {
fprintf(stderr, "Error parsing file: %s\n", csv_strerror(csv_error(&p)));
fclose(infile);
fclose(outfile);
remove(argv[2]);
exit(EXIT_FAILURE);
}
}
csv_fini(&p, cb1, cb2, outfile);
csv_free(&p);
if (ferror(infile)) {
fprintf(stderr, "Error reading from input file");
fclose(infile);
fclose(outfile);
remove(argv[2]);
exit(EXIT_FAILURE);
}
fclose(infile);
fclose(outfile);
return EXIT_SUCCESS;
}
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