From a7ec76fe2fc785f39a3c8e6e6cc23d433c4aae77 Mon Sep 17 00:00:00 2001 From: Kevin Buettner Date: Tue, 21 Nov 2000 09:23:32 +0000 Subject: [PATCH] * solib.c (solib_open): Handle the case where solib_absolute_prefix is NULL. --- gdb/ChangeLog | 5 +++++ gdb/solib.c | 28 ++++++++++++++++------------ 2 files changed, 21 insertions(+), 12 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 491bc53..cd38b95 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2000-11-21 Kevin Buettner + + * solib.c (solib_open): Handle the case where + solib_absolute_prefix is NULL. + 2000-11-20 Michael Snyder * solist.h: Declare new function solib_open. diff --git a/gdb/solib.c b/gdb/solib.c index 5c982e2..288a54a 100644 --- a/gdb/solib.c +++ b/gdb/solib.c @@ -100,21 +100,25 @@ solib_open (char *in_pathname, char **found_pathname) int found_file = -1; char *temp_pathname = NULL; - if (solib_absolute_prefix != NULL && - ROOTED_P (in_pathname)) + if (ROOTED_P (in_pathname)) { - int prefix_len = strlen (solib_absolute_prefix); + if (solib_absolute_prefix == NULL) + temp_pathname = in_pathname; + else + { + int prefix_len = strlen (solib_absolute_prefix); - /* Remove trailing slashes from absolute prefix. */ - while (prefix_len > 0 && SLASH_P (solib_absolute_prefix[prefix_len - 1])) - prefix_len--; + /* Remove trailing slashes from absolute prefix. */ + while (prefix_len > 0 && SLASH_P (solib_absolute_prefix[prefix_len - 1])) + prefix_len--; - /* Cat the prefixed pathname together. */ - temp_pathname = alloca (prefix_len + strlen (in_pathname) + 1); - strncpy (temp_pathname, solib_absolute_prefix, prefix_len); - temp_pathname[prefix_len] = '\0'; - strcat (temp_pathname, in_pathname); + /* Cat the prefixed pathname together. */ + temp_pathname = alloca (prefix_len + strlen (in_pathname) + 1); + strncpy (temp_pathname, solib_absolute_prefix, prefix_len); + temp_pathname[prefix_len] = '\0'; + strcat (temp_pathname, in_pathname); + } /* Now see if we can open it. */ found_file = open (temp_pathname, O_RDONLY, 0); } @@ -137,7 +141,7 @@ solib_open (char *in_pathname, char **found_pathname) /* Done. If not found, tough luck. Return found_file and (optionally) found_pathname. */ - if (found_pathname != NULL) + if (found_pathname != NULL && temp_pathname != NULL) *found_pathname = strsave (temp_pathname); return found_file; } -- 2.7.4