pang@1: #include <stdio.h>
pang@1: #include <stdlib.h>
pang@1: #include <regex.h>
pang@1: 
pang@1: #define __USE_GNU
pang@1: #include <string.h>
pang@1: 
pang@1: const size_t BUFSIZE = 5000;
pang@1: const size_t REMSIZE = 3;
pang@1: 
pang@1: const char *CLR_START = "-CLR_START-";
pang@1: const char *CLR_END = "-CLR_END-";
pang@1: 
pang@1: int main(int argc, char **argv)
pang@1: {
pang@1: 	char *buf = calloc(BUFSIZE, sizeof(char));
pang@1: 
pang@1: 	regex_t *re = calloc(1, sizeof(regex_t));
pang@1: 	regcomp(re, "(Hello)", REG_EXTENDED);
pang@1: 
pang@1: 	regmatch_t *rem = calloc(REMSIZE, sizeof(regmatch_t));
pang@1: 
pang@1: 	size_t CLR_START_len = strlen(CLR_START);
pang@1: 	size_t CLR_END_len = strlen(CLR_END);
pang@1: 
pang@1: 	size_t out_len = strlen(buf);
pang@1: 	if (out_len >= BUFSIZE)
pang@1: 		out_len = BUFSIZE - 1;
pang@1: 
pang@1: 	char *out = calloc(out_len, sizeof(char));
pang@1: 	unsigned int out_pos = 0;
pang@1: 
pang@1: 	while (fgets(buf, BUFSIZE, stdin))
pang@1: 	{
pang@1: 		regexec(re, buf, REMSIZE, rem, 0);
pang@1: 
pang@1: 		int i;
pang@1: 
pang@1: 		for (i = 0; i < REMSIZE; i++)
pang@1: 			fprintf(stderr, "%d %d \n", rem[i].rm_so, rem[i].rm_eo);		//d// 20100327 PBA
pang@1: 
pang@1: 		for (i = 1; i < REMSIZE; i++)
pang@1: 		{ 
pang@1: 			int so = rem[i].rm_so;
pang@1: 			int eo = rem[i].rm_eo;
pang@1: 			int nso = BUFSIZE;
pang@1: 
pang@1: 			if ((i + 1) < REMSIZE)
pang@1: 				nso = rem[i + 1].rm_so; 
pang@1: 				if (nso == -1)
pang@1: 					nso = BUFSIZE;
pang@1: 
pang@1: 			if (so >= 0 && eo >= 0)
pang@1: 			{
pang@1: 				int match_len = eo - so;
pang@1: 				out_len += CLR_START_len + CLR_END_len;
pang@1: 				out = (char *)realloc(out, out_len*sizeof(char));
pang@1: 				if (i == 0)
pang@1: 				{
pang@1: 					strncpy(&out[out_pos], buf, so);
pang@1: 					out_pos += so;
pang@1: 				}
pang@1: 				strncpy(&out[out_pos], CLR_START, CLR_START_len);
pang@1: 				out_pos += CLR_START_len;
pang@1: 				strncpy(&out[out_pos], &buf[so], match_len);
pang@1: 				out_pos += match_len;
pang@1: 				strncpy(&out[out_pos], CLR_END, CLR_END_len);
pang@1: 				out_pos += CLR_END_len;
pang@1: 				strncpy(&out[out_pos], &buf[eo], nso - eo);
pang@1: 				out_pos += nso - eo;
pang@1: 			}
pang@1: 		}
pang@1: 
pang@1: 		fputs(out, stdout);
pang@1: 	}
pang@1: 
pang@1: 	return 0;
pang@1: }