48 lines
1,010 B
C
48 lines
1,010 B
C
#include <stdlib.h> /* malloc */
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#include <errno.h> /* perror */
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#include <stdio.h> /* printf */
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#include <unistd.h> /* write */
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/* this define must precede uthash.h */
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#define HASH_EMIT_KEYS 1
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#include "uthash.h"
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#define BUFLEN 30
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typedef struct name_rec {
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char boy_name[BUFLEN];
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UT_hash_handle hh;
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} name_rec;
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int main(int argc,char *argv[])
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{
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name_rec *name, *names=NULL;
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char linebuf[BUFLEN];
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FILE *file;
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int i=0;
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if (argc != 2) {
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fprintf(stderr,"usage: %s file\n", argv[0]);
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exit(-1);
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}
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if ( (file = fopen( argv[1], "r" )) == NULL ) {
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perror("can't open: ");
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exit(-1);
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}
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while (fgets(linebuf,BUFLEN,file) != NULL) {
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name = (name_rec*)malloc(sizeof(name_rec));
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if (name == NULL) {
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exit(-1);
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}
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strcpy(name->boy_name, linebuf);
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HASH_ADD_STR(names,boy_name,name);
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i++;
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}
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fprintf(stderr,"%d keys emitted.\n", i);
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fclose(file);
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return 0;
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}
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