From 4472aef4c3bd2a802f4381477d747d88c867ff3d Mon Sep 17 00:00:00 2001 From: Juanma Barranquero Date: Fri, 15 Dec 2006 14:53:44 +0000 Subject: [PATCH] (w32_execvp): New function; wrapper for `execvp'. (execvp) [WINDOWSNT]: Redefine to `w32_execvp'. (fail): Remove Windows-specific fix (subsumed in w32_execvp). --- lib-src/ChangeLog | 15 +++++++++++---- lib-src/emacsclient.c | 40 +++++++++++++++++++++++++++++++++++++--- 2 files changed, 48 insertions(+), 7 deletions(-) diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog index 97266d8a66e..f15644050d9 100644 --- a/lib-src/ChangeLog +++ b/lib-src/ChangeLog @@ -1,3 +1,10 @@ +2006-12-15 Juanma Barranquero + + * emacsclient.c (w32_execvp): New function; wrapper for `execvp'. + (execvp) [WINDOWSNT]: Redefine to `w32_execvp'. + (fail): Remove Windows-specific fix (subsumed into w32_execvp). + Suggestions and comment by Eli Zaretskii. + 2006-12-06 Christoph Conrad * makefile.w32-in ($(BLD)/emacsclient.exe, $(BLD)/emacsclientw.exe): @@ -19,11 +26,11 @@ (set_tcp_socket): Make the message for non-local connections informational rather than an error. -2006-11-28 Kevin Ryde (tiny change) +2006-11-28 Kevin Ryde (tiny change) * etags.c (readline): Check for double quote after #line. -2006-11-28 Jan Dj,Ad(Brv (tiny change) +2006-11-28 Jan Dj,Ad(Brv * etags.c (readline): sscanf could in principle return 2. @@ -55,8 +62,8 @@ 2006-11-24 Michael Mauger - * emacsclient.c (file_name_absolute_p) [WINDOWSNT]: Support - absolute file names with forward slashes. + * emacsclient.c (file_name_absolute_p) [WINDOWSNT]: Support absolute + file names with forward slashes. 2006-11-23 Juanma Barranquero diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c index f05b98eccee..429d4b5bdc4 100644 --- a/lib-src/emacsclient.c +++ b/lib-src/emacsclient.c @@ -298,6 +298,42 @@ Report bugs to bug-gnu-emacs@gnu.org.\n", progname); } +#ifdef WINDOWSNT + +/* + execvp() wrapper for Windows. Quotes arguments with embedded spaces. + + This is necessary due to the broken implementation of exec* routines in + the Microsoft libraries: they concatenate the arguments together without + quoting special characters, and pass the result to CreateProcess, with + predictably bad results. By contrast, Posix execvp passes the arguments + directly into the argv[] array of the child process. +*/ +int +w32_execvp (path, argv) + char *path; + char **argv; +{ + int i; + + argv[0] = (char *) alternate_editor; + + for (i = 0; argv[i]; i++) + if (strchr (argv[i], ' ')) + { + char *quoted = alloca (strlen (argv[i]) + 3); + sprintf (quoted, "\"%s\"", argv[i]); + argv[i] = quoted; + } + + return execvp (path, argv); +} + +#undef execvp +#define execvp w32_execvp + +#endif /* WINDOWSNT */ + /* Try to run a different command, or --if no alternate editor is defined-- exit with an errorcode. @@ -310,9 +346,7 @@ fail (argc, argv) if (alternate_editor) { int i = optind - 1; -#ifdef WINDOWSNT - argv[i] = (char *)alternate_editor; -#endif + execvp (alternate_editor, argv + i); message (TRUE, "%s: error executing alternate editor \"%s\"\n", progname, alternate_editor); -- 2.39.5