diff options
Diffstat (limited to 'app-shells/bash/files/bash-5.2_p2-fix-for-brackets-in-nested-parameter-expansions.patch')
| -rw-r--r-- | app-shells/bash/files/bash-5.2_p2-fix-for-brackets-in-nested-parameter-expansions.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/app-shells/bash/files/bash-5.2_p2-fix-for-brackets-in-nested-parameter-expansions.patch b/app-shells/bash/files/bash-5.2_p2-fix-for-brackets-in-nested-parameter-expansions.patch new file mode 100644 index 000000000000..9c1b03f8b2df --- /dev/null +++ b/app-shells/bash/files/bash-5.2_p2-fix-for-brackets-in-nested-parameter-expansions.patch @@ -0,0 +1,41 @@ +https://git.savannah.gnu.org/cgit/bash.git/commit/?h=devel&id=22f21b760ed90eb77c3756e6ccf39b73c84f532a + +--- subst.c ++++ subst.c +@@ -1798,6 +1798,9 @@ extract_heredoc_dolbrace_string (string, sindex, quoted, flags) + return (result); + } + ++#define PARAMEXPNEST_MAX 32 // for now ++static int dbstate[PARAMEXPNEST_MAX]; ++ + /* Extract a parameter expansion expression within ${ and } from STRING. + Obey the Posix.2 rules for finding the ending `}': count braces while + skipping over enclosed quoted strings and command substitutions. +@@ -1828,6 +1831,8 @@ extract_dollar_brace_string (string, sindex, quoted, flags) + if (quoted == Q_HERE_DOCUMENT && dolbrace_state == DOLBRACE_QUOTE && (flags & SX_NOALLOC) == 0) + return (extract_heredoc_dolbrace_string (string, sindex, quoted, flags)); + ++ dbstate[0] = dolbrace_state; ++ + pass_character = 0; + nesting_level = 1; + slen = strlen (string + *sindex) + *sindex; +@@ -1852,6 +1857,8 @@ extract_dollar_brace_string (string, sindex, quoted, flags) + + if (string[i] == '$' && string[i+1] == LBRACE) + { ++ if (nesting_level < PARAMEXPNEST_MAX) ++ dbstate[nesting_level] = dolbrace_state; + nesting_level++; + i += 2; + if (dolbrace_state == DOLBRACE_QUOTE || dolbrace_state == DOLBRACE_WORD) +@@ -1864,6 +1871,7 @@ extract_dollar_brace_string (string, sindex, quoted, flags) + nesting_level--; + if (nesting_level == 0) + break; ++ dolbrace_state = (nesting_level < PARAMEXPNEST_MAX) ? dbstate[nesting_level] : dbstate[0]; /* Guess using initial state */ + i++; + continue; + } + |