summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/buffer/buffer.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/buffer/buffer.c')
-rw-r--r--src/lib/libcrypto/buffer/buffer.c89
1 files changed, 4 insertions, 85 deletions
diff --git a/src/lib/libcrypto/buffer/buffer.c b/src/lib/libcrypto/buffer/buffer.c
index 620ea8d536..b3e947771d 100644
--- a/src/lib/libcrypto/buffer/buffer.c
+++ b/src/lib/libcrypto/buffer/buffer.c
@@ -89,10 +89,10 @@ void BUF_MEM_free(BUF_MEM *a)
89 OPENSSL_free(a); 89 OPENSSL_free(a);
90 } 90 }
91 91
92int BUF_MEM_grow(BUF_MEM *str, size_t len) 92int BUF_MEM_grow(BUF_MEM *str, int len)
93 { 93 {
94 char *ret; 94 char *ret;
95 size_t n; 95 unsigned int n;
96 96
97 if (str->length >= len) 97 if (str->length >= len)
98 { 98 {
@@ -125,10 +125,10 @@ int BUF_MEM_grow(BUF_MEM *str, size_t len)
125 return(len); 125 return(len);
126 } 126 }
127 127
128int BUF_MEM_grow_clean(BUF_MEM *str, size_t len) 128int BUF_MEM_grow_clean(BUF_MEM *str, int len)
129 { 129 {
130 char *ret; 130 char *ret;
131 size_t n; 131 unsigned int n;
132 132
133 if (str->length >= len) 133 if (str->length >= len)
134 { 134 {
@@ -161,84 +161,3 @@ int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
161 } 161 }
162 return(len); 162 return(len);
163 } 163 }
164
165char *BUF_strdup(const char *str)
166 {
167 if (str == NULL) return(NULL);
168 return BUF_strndup(str, strlen(str));
169 }
170
171char *BUF_strndup(const char *str, size_t siz)
172 {
173 char *ret;
174
175 if (str == NULL) return(NULL);
176
177 ret=OPENSSL_malloc(siz+1);
178 if (ret == NULL)
179 {
180 BUFerr(BUF_F_BUF_STRNDUP,ERR_R_MALLOC_FAILURE);
181 return(NULL);
182 }
183 BUF_strlcpy(ret,str,siz+1);
184 return(ret);
185 }
186
187void *BUF_memdup(const void *data, size_t siz)
188 {
189 void *ret;
190
191 if (data == NULL) return(NULL);
192
193 ret=OPENSSL_malloc(siz);
194 if (ret == NULL)
195 {
196 BUFerr(BUF_F_BUF_MEMDUP,ERR_R_MALLOC_FAILURE);
197 return(NULL);
198 }
199 return memcpy(ret, data, siz);
200 }
201
202size_t BUF_strlcpy(char *dst, const char *src, size_t size)
203 {
204 size_t l = 0;
205 for(; size > 1 && *src; size--)
206 {
207 *dst++ = *src++;
208 l++;
209 }
210 if (size)
211 *dst = '\0';
212 return l + strlen(src);
213 }
214
215size_t BUF_strlcat(char *dst, const char *src, size_t size)
216 {
217 size_t l = 0;
218 for(; size > 0 && *dst; size--, dst++)
219 l++;
220 return l + BUF_strlcpy(dst, src, size);
221 }
222
223void BUF_reverse(unsigned char *out, unsigned char *in, size_t size)
224 {
225 size_t i;
226 if (in)
227 {
228 out += size - 1;
229 for (i = 0; i < size; i++)
230 *in++ = *out--;
231 }
232 else
233 {
234 unsigned char *q;
235 char c;
236 q = out + size - 1;
237 for (i = 0; i < size/2; i++)
238 {
239 c = *q;
240 *q-- = *out;
241 *out++ = c;
242 }
243 }
244 }