Replace malloc+strcpy with strdup

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4371)

diff --git a/crypto/dso/dso_dl.c b/crypto/dso/dso_dl.c
index af968e3ead8edea6950b1aa25f0f2a67d647e9c2..d80bf562c7f225223ba1a4d5b08c626c08f0dfd7 100644 (file)
--- a/crypto/dso/dso_dl.c
+++ b/crypto/dso/dso_dl.c
@@ -156,23 +156,21 @@ static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2)
      * if the second file specification is missing.
      */
     if (!filespec2 || filespec1[0] == '/') {
-        merged = OPENSSL_malloc(strlen(filespec1) + 1);
+        merged = OPENSSL_strdup(filespec1);
         if (merged == NULL) {
             DSOerr(DSO_F_DL_MERGER, ERR_R_MALLOC_FAILURE);
             return (NULL);
         }
-        strcpy(merged, filespec1);
     }
     /*
      * If the first file specification is missing, the second one rules.
      */
     else if (!filespec1) {
-        merged = OPENSSL_malloc(strlen(filespec2) + 1);
+        merged = OPENSSL_strdup(filespec2);
         if (merged == NULL) {
             DSOerr(DSO_F_DL_MERGER, ERR_R_MALLOC_FAILURE);
             return (NULL);
         }
-        strcpy(merged, filespec2);
     } else
         /*
          * This part isn't as trivial as it looks.  It assumes that the

diff --git a/crypto/dso/dso_dlfcn.c b/crypto/dso/dso_dlfcn.c
index e2aa76eb65d3be8f13ccb56fcbaeb17b19cd6b05..a4b0cdd95b5d78c16fd9c224f6ea5ceac392c343 100644 (file)
--- a/crypto/dso/dso_dlfcn.c
+++ b/crypto/dso/dso_dlfcn.c
@@ -196,23 +196,21 @@ static char *dlfcn_merger(DSO *dso, const char *filespec1,
      * if the second file specification is missing.
      */
     if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/')) {
-        merged = OPENSSL_malloc(strlen(filespec1) + 1);
+        merged = OPENSSL_strdup(filespec1);
         if (merged == NULL) {
             DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
             return (NULL);
         }
-        strcpy(merged, filespec1);
     }
     /*
      * If the first file specification is missing, the second one rules.
      */
     else if (!filespec1) {
-        merged = OPENSSL_malloc(strlen(filespec2) + 1);
+        merged = OPENSSL_strdup(filespec2);
         if (merged == NULL) {
             DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
             return (NULL);
         }
-        strcpy(merged, filespec2);
     } else {
         /*
          * This part isn't as trivial as it looks.  It assumes that the

diff --git a/crypto/dso/dso_win32.c b/crypto/dso/dso_win32.c
index 635974be7017f9e18752b25d159d16b24b8c0b26..5f50774bb899be2ff6fe3f62478e46c2e8026f12 100644 (file)
--- a/crypto/dso/dso_win32.c
+++ b/crypto/dso/dso_win32.c
@@ -398,19 +398,17 @@ static char *win32_merger(DSO *dso, const char *filespec1,
         return (NULL);
     }
     if (!filespec2) {
-        merged = OPENSSL_malloc(strlen(filespec1) + 1);
+        merged = OPENSSL_strdup(filespec1);
         if (merged == NULL) {
             DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE);
             return (NULL);
         }
-        strcpy(merged, filespec1);
     } else if (!filespec1) {
-        merged = OPENSSL_malloc(strlen(filespec2) + 1);
+        merged = OPENSSL_strdup(filespec2);
         if (merged == NULL) {
             DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE);
             return (NULL);
         }
-        strcpy(merged, filespec2);
     } else {
         filespec1_split = win32_splitter(dso, filespec1, 0);
         if (!filespec1_split) {