diff options
Diffstat (limited to 'erts/etc/common/erlexec.c')
-rw-r--r-- | erts/etc/common/erlexec.c | 119 |
1 files changed, 67 insertions, 52 deletions
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index eaa94cd5e4..f7c8c27d53 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -23,14 +23,9 @@ * additions required for Windows NT. */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif +#include "etc_common.h" -#include "sys.h" #include "erl_driver.h" -#include <stdlib.h> -#include <stdarg.h> #include "erl_misc_utils.h" #ifdef __WIN32__ @@ -195,9 +190,7 @@ void error(char* format, ...); * Local functions. */ -#if !defined(ERTS_HAVE_SMP_EMU) || !defined(ERTS_HAVE_PLAIN_EMU) static void usage_notsup(const char *switchname, const char *alt); -#endif static char **build_args_from_env(char *env_var); static char **build_args_from_string(char *env_var); static void initial_argv_massage(int *argc, char ***argv); @@ -245,7 +238,7 @@ static int verbose = 0; /* If non-zero, print some extra information. */ static int start_detached = 0; /* If non-zero, the emulator should be * started detached (in the background). */ -static int start_smp_emu = 0; /* Start the smp emulator. */ +static int start_smp_emu = 1; /* Start the smp emulator. */ static const char* emu_type = 0; /* Type of emulator (lcnt, valgrind, etc) */ #ifdef __WIN32__ @@ -468,10 +461,6 @@ int main(int argc, char **argv) * Construct the path of the executable. */ cpuinfo = erts_cpu_info_create(); - /* '-smp auto' is default */ -#ifdef ERTS_HAVE_SMP_EMU - start_smp_emu = 1; -#endif #if defined(__WIN32__) && defined(WIN32_ALWAYS_DEBUG) emu_type = "debug"; @@ -503,23 +492,13 @@ int main(int argc, char **argv) i++; smp_enable: ; -#if !defined(ERTS_HAVE_SMP_EMU) - usage_notsup("-smp enable", ""); -#endif } else if (strcmp(argv[i+1], "disable") == 0) { i++; smp_disable: -#ifdef ERTS_HAVE_PLAIN_EMU - start_smp_emu = 0; -#else usage_notsup("-smp disable", " Use \"+S 1\" instead."); -#endif } else { smp: ; -#if !defined(ERTS_HAVE_SMP_EMU) - usage_notsup("-smp", ""); -#endif } } else if (strcmp(argv[i], "-smpenable") == 0) { goto smp_enable; @@ -558,19 +537,44 @@ int main(int argc, char **argv) } else { add_Eargs(emu); /* argv[0] = erl or cerl */ } - /* - * Add the bindir to the path (unless it is there already). - */ + + /* Add the bindir to the front of the PATH, and remove all subsequent + * occurrences to avoid ballooning it on repeated up/downgrades. */ s = get_env("PATH"); - if (!s) { - erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP "%s" DIRSEP "bin", bindir, rootdir); - } else if (strstr(s, bindir) == NULL) { - erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir, - rootdir, s); + + if (s == NULL) { + erts_snprintf(tmpStr, sizeof(tmpStr), + "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP, bindir, rootdir); + } else if (strstr(s, rootdir) == NULL) { + erts_snprintf(tmpStr, sizeof(tmpStr), + "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir, rootdir, s); } else { - erts_snprintf(tmpStr, sizeof(tmpStr), "%s", s); + const char *bindir_slug, *bindir_slug_index; + int bindir_slug_length; + const char *in_index; + char *out_index; + + erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP, bindir); + + bindir_slug = strsave(tmpStr); + bindir_slug_length = strlen(bindir_slug); + + out_index = &tmpStr[bindir_slug_length]; + in_index = s; + + while ((bindir_slug_index = strstr(in_index, bindir_slug))) { + int block_length = (bindir_slug_index - in_index); + + memcpy(out_index, in_index, block_length); + + in_index = bindir_slug_index + bindir_slug_length; + out_index += block_length; + } + + strcpy(out_index, in_index); } + free_env_val(s); set_env("PATH", tmpStr); @@ -832,6 +836,28 @@ int main(int argc, char **argv) add_Eargs(argv[i+1]); i++; break; + case 'I': + if (argv[i][2] == 'O' && (argv[i][3] == 't' || argv[i][3] == 'p')) { + if (argv[i][4] != '\0') + goto the_default; + argv[i][0] = '-'; + add_Eargs(argv[i]); + add_Eargs(argv[i+1]); + i++; + break; + } + if (argv[i][2] == 'O' && argv[i][3] == 'P' && + (argv[i][4] == 't' || argv[i][4] == 'p')) { + if (argv[i][5] != '\0') + goto the_default; + argv[i][0] = '-'; + add_Eargs(argv[i]); + add_Eargs(argv[i+1]); + i++; + break; + } + usage(argv[i]); + break; case 'S': if (argv[i][2] == 'P') { if (argv[i][3] != '\0') @@ -887,8 +913,8 @@ int main(int argc, char **argv) case 'c': argv[i][0] = '-'; if (argv[i][2] == '\0' && i+1 < argc) { - if (sys_strcmp(argv[i+1], "true") == 0 - || sys_strcmp(argv[i+1], "false") == 0) { + if (strcmp(argv[i+1], "true") == 0 + || strcmp(argv[i+1], "false") == 0) { add_Eargs(argv[i]); add_Eargs(argv[i+1]); i++; @@ -1160,15 +1186,6 @@ usage_aux(void) #ifdef __WIN32__ "[-start_erl [datafile]] " #endif - "[-smp [auto" -#ifdef ERTS_HAVE_SMP_EMU - "|enable" -#endif -#ifdef ERTS_HAVE_PLAIN_EMU - "|disable" -#endif - "]" - "] " "[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] [-start_epmd BOOLEAN] " "[-args_file FILENAME] [+A THREADS] [+a SIZE] [+B[c|d|i]] [+c [BOOLEAN]] " "[+C MODE] [+h HEAP_SIZE_OPTION] [+K BOOLEAN] " @@ -1189,14 +1206,12 @@ usage(const char *switchname) usage_aux(); } -#if !defined(ERTS_HAVE_SMP_EMU) || !defined(ERTS_HAVE_PLAIN_EMU) static void usage_notsup(const char *switchname, const char *alt) { fprintf(stderr, "Argument \'%s\' not supported.%s\n", switchname, alt); usage_aux(); } -#endif static void usage_format(char *format, ...) @@ -2195,18 +2210,18 @@ static WCHAR *utf8_to_utf16(unsigned char *bytes) res = target = emalloc((num + 1) * sizeof(WCHAR)); while (*bytes) { if (((*bytes) & ((unsigned char) 0x80)) == 0) { - unipoint = (Uint) *bytes; + unipoint = (unsigned int) *bytes; ++bytes; } else if (((*bytes) & ((unsigned char) 0xE0)) == 0xC0) { unipoint = - (((Uint) ((*bytes) & ((unsigned char) 0x1F))) << 6) | - ((Uint) (bytes[1] & ((unsigned char) 0x3F))); + (((unsigned int) ((*bytes) & ((unsigned char) 0x1F))) << 6) | + ((unsigned int) (bytes[1] & ((unsigned char) 0x3F))); bytes += 2; } else if (((*bytes) & ((unsigned char) 0xF0)) == 0xE0) { unipoint = - (((Uint) ((*bytes) & ((unsigned char) 0xF))) << 12) | - (((Uint) (bytes[1] & ((unsigned char) 0x3F))) << 6) | - ((Uint) (bytes[2] & ((unsigned char) 0x3F))); + (((unsigned int) ((*bytes) & ((unsigned char) 0xF))) << 12) | + (((unsigned int) (bytes[1] & ((unsigned char) 0x3F))) << 6) | + ((unsigned int) (bytes[2] & ((unsigned char) 0x3F))); if (unipoint > 0xFFFF) { unipoint = (unsigned int) '?'; } @@ -2225,7 +2240,7 @@ static WCHAR *utf8_to_utf16(unsigned char *bytes) static int put_utf8(WCHAR ch, unsigned char *target, int sz, int *pos) { - Uint x = (Uint) ch; + unsigned int x = (unsigned int) ch; if (x < 0x80) { if (*pos >= sz) { return -1; |