CoreFW  Check-in [3247812f3b]

Overview
Comment:Fix cfw_strndup() and add cfw_strnlen().
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SHA3-256: 3247812f3b23873561a879ec5838a4efbc0c8c4a099b30af5579ad6b01903038
User & Date: js on 2012-09-30 00:59:17
Other Links: manifest | tags
Context
2012-09-30
01:01
Add cfw_stream_read_line(). check-in: 2cee5ea2d5 user: js tags: trunk
00:59
Fix cfw_strndup() and add cfw_strnlen(). check-in: 3247812f3b user: js tags: trunk
00:25
Fix a memory leak in map. check-in: d416cefb3b user: js tags: trunk
Changes
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Modified src/string.c from [305d89e8e8] to [6218da6faa].

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#include "hash.h"

struct CFWString {
	CFWObject obj;
	char *data;
	size_t len;
};

size_t
cfw_strnlen(const char *s, size_t max)
{
	size_t i = 0;

	for (i = 0; i < max && *s != '\0'; s++)
		i++;

	return i;
}

char*
cfw_strdup(const char *s)
{
	char *copy;
	size_t len;

	len = strlen(s);

	if ((copy = malloc(len + 1)) == NULL) {
	if ((copy = malloc(len + 1)) == NULL)
		errno = ENOMEM;
		return NULL;
	}

	memcpy(copy, s, len);
	copy[len] = 0;

	return copy;
}

char*
cfw_strndup(const char *s, size_t max)
{
	char *copy;
	size_t len;

	len = strlen(s);

	if (len > max)
		len = max;
	len = cfw_strnlen(s, max);

	if ((copy = malloc(len + 1)) == NULL) {
	if ((copy = malloc(len + 1)) == NULL)
		errno = ENOMEM;
		return NULL;
	}

	memcpy(copy, s, len);
	copy[len] = 0;

	return copy;
}
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Modified src/string.h from [2f607cb31e] to [01937810ff].

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#define __COREFW_STRING_H__

#include "class.h"
#include "range.h"

typedef struct CFWString CFWString;
extern CFWClass *cfw_string;
extern size_t cfw_strnlen(const char*, size_t);
extern char* cfw_strdup(const char*);
extern char* cfw_strndup(const char*, size_t);
extern const char* cfw_string_c(CFWString*);
extern size_t cfw_string_length(CFWString*);
extern bool cfw_string_set(CFWString*, const char*);
extern void cfw_string_set_nocopy(CFWString*, char*, size_t);
extern bool cfw_string_append(CFWString*, CFWString*);
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