GopherProxy

	tutil.c - ics2txt - convert icalendar .ics file to plain text
	git clone git://bitreich.org/ics2txt git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws…
	Log
	Files
	Refs
	Tags
	README
	---
	tutil.c (1205B)
	---
	1 #include "util.h"
	2
	3 #include <errno.h>
	4 #include <stdint.h>
	5 #include <stdlib.h>
	6 #include <string.h>
	7
	8 size_t
	9 strlcpy(char buf, char const str, size_t sz)
	10 {
	11 size_t len, cpy;
	12
	13 len = strlen(str);
	14 cpy = (len > sz) ? (sz) : (len);
	15 memcpy(buf, str, cpy + 1);
	16 buf[sz - 1] = '\0';
	17 return len;
	18 }
	19
	20 char *
	21 strsep(char *str_p, char const sep)
	22 {
	23 char s, prev;
	24
	25 if (*str_p == NULL)
	26 return NULL;
	27
	28 for (s = prev = str_p; strchr(sep, s) == NULL; s++)
	29 continue;
	30
	31 if (*s == '\0') {
	32 *str_p = NULL;
	33 } else {
	34 *s = '\0';
	35 *str_p = s + 1;
	36 }
	37 return prev;
	38 }
	39
	40 void
	41 strchomp(char *line)
	42 {
	43 size_t len;
	44
	45 len = strlen(line);
	46 if (len > 0 && line[len - 1] == '\n')
	47 line[len-- - 1] = '\0';
	48 if (len > 0 && line[len - 1] == '\r')
	49 line[len-- - 1] = '\0';
	50 }
	51
	52 int
	53 strappend(char *base_p, char const s)
	54 {
	55 size_t base_len, s_len;
	56 void *v;
	57
	58 base_len = (base_p == NULL) ? (0) : (strlen(base_p));
	59 s_len = strlen(s);
	60
	61 if ((v = realloc(*base_p, base_len + s_len + 1)) == NULL)
	62 return -1;
	63
	64 *base_p = v;
	65 memcpy(*base_p + base_len, s, s_len + 1);
	66 return 0;
	67 }
	68
	69 void *
	70 reallocarray(void *buf, size_t len, size_t sz)
	71 {
	72 if (SIZE_MAX / len < sz)
	73 return errno=ERANGE, NULL;
	74 return realloc(buf, len * sz);
	75 }