Mercurial > hg > index.fcgi > rcg > rcg-1

comparison rcg.c @ 5:26e28ec5fe87

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rcg.c: add color string; has bug with realloc()
author paulo@twcdns.fastsearch.net
date Tue, 06 Apr 2010 01:25:30 -0700
parents 99770a6b967d
children 910e059abd6d
comparison
equal deleted inserted replaced
3:226c3c00d52e 4:d486aba4efcf
10 #define _GNU_SOURCE 10 #define _GNU_SOURCE
11 #include <getopt.h> 11 #include <getopt.h>
12 12
13 const size_t BUFSIZE = 5000; 13 const size_t BUFSIZE = 5000;
14 14
15 const char *CLR_START = "-CLR_START-"; 15 const char *CLR_START = "\x1B[31";
16 const char *CLR_END = "-CLR_END-"; 16 const char *CLR_END = "m";
17 const char *CLR_CLEAR = "\x1B[0m";
17 18
18 typedef enum _exit_code { 19 typedef enum _exit_code {
19 EXIT_OK, 20 EXIT_OK,
20 EXIT_REALLOC_ERROR, 21 EXIT_REALLOC_ERROR,
21 EXIT_ARGS_ERROR, 22 EXIT_ARGS_ERROR,
64 65
65 int main(int argc, char **argv) 66 int main(int argc, char **argv)
66 { 67 {
67 char *re_expression = parseArgs(argc, argv); 68 char *re_expression = parseArgs(argc, argv);
68 69
69 fprintf(stderr, "re_expression = %s \n", re_expression); //d/ 20100405 PBA 70 //fprintf(stderr, "re_expression = %s \n", re_expression); //d/ 20100405 PBA
70 71
71 char *buf = calloc(BUFSIZE, sizeof(char)); 72 char *buf = calloc(BUFSIZE, sizeof(char));
72 73
73 int re_err; 74 int re_err;
74 regex_t *re = calloc(1, sizeof(regex_t)); 75 regex_t *re = calloc(1, sizeof(regex_t));
78 79
79 regmatch_t *rem = calloc(1, sizeof(regmatch_t)); 80 regmatch_t *rem = calloc(1, sizeof(regmatch_t));
80 81
81 size_t CLR_START_len = strlen(CLR_START); 82 size_t CLR_START_len = strlen(CLR_START);
82 size_t CLR_END_len = strlen(CLR_END); 83 size_t CLR_END_len = strlen(CLR_END);
84 size_t CLR_CLEAR_len = strlen(CLR_CLEAR);
83 85
84 while (fgets(buf, BUFSIZE, stdin)) 86 while (fgets(buf, BUFSIZE, stdin))
85 { 87 {
86 int so = -1; 88 int so = -1;
87 int eo = -1; 89 int eo = -1;
106 //fprintf(stderr, "%d %d \n", so, eo); //d// 20100327 PBA 108 //fprintf(stderr, "%d %d \n", so, eo); //d// 20100327 PBA
107 109
108 if (re_err != REG_NOMATCH && so >= 0 && eo >= 0) 110 if (re_err != REG_NOMATCH && so >= 0 && eo >= 0)
109 { 111 {
110 int match_len = eo - so; 112 int match_len = eo - so;
111 out_len += CLR_START_len + CLR_END_len; 113 out_len += CLR_START_len + CLR_END_len + CLR_CLEAR_len;
112 out = (char *)realloc(out, out_len*sizeof(char)); 114 out = (char *)realloc(out, out_len*sizeof(char));
113 if (!out) 115 if (!out)
114 exit(realloc_error()); 116 exit(realloc_error());
115 strncpy(&out[out_pos], &buf[buf_pos], so); 117 strncpy(&out[out_pos], &buf[buf_pos], so);
116 out_pos += so; 118 out_pos += so;
117 buf_pos += so; 119 buf_pos += so;
118 strncpy(&out[out_pos], CLR_START, CLR_START_len); 120 strncpy(&out[out_pos], CLR_START, CLR_START_len);
119 out_pos += CLR_START_len; 121 out_pos += CLR_START_len;
122 strncpy(&out[out_pos], CLR_END, CLR_END_len);
123 out_pos += CLR_END_len;
120 strncpy(&out[out_pos], &buf[buf_pos], match_len); 124 strncpy(&out[out_pos], &buf[buf_pos], match_len);
121 out_pos += match_len; 125 out_pos += match_len;
122 strncpy(&out[out_pos], CLR_END, CLR_END_len); 126 strncpy(&out[out_pos], CLR_CLEAR, CLR_CLEAR_len);
123 out_pos += CLR_END_len; 127 out_pos += CLR_CLEAR_len;
124 128
125 buf_pos += match_len; 129 buf_pos += match_len;
126 } 130 }
127 else 131 else
132 {
128 strncpy(&out[out_pos], &buf[buf_pos], out_len - out_pos); 133 strncpy(&out[out_pos], &buf[buf_pos], out_len - out_pos);
134 out[out_len] = '\0';
135 }
129 } 136 }
130 137
131 fputs(out, stdout); 138 fputs(out, stdout);
132 free(out); 139 free(out);
133 } 140 }