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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-12-28 22:14:28 +0100 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-12-28 22:14:28 +0100 |
commit | 01be817c5993d635d382cd5664c77e7f9728bd3f (patch) | |
tree | d6607d97d926fd6b6866236d9a18b84cd1b411e7 /src | |
parent | 31f808d8721a4aec1b93ce68bee39ba8b3119a5f (diff) | |
download | px4-firmware-01be817c5993d635d382cd5664c77e7f9728bd3f.tar.gz px4-firmware-01be817c5993d635d382cd5664c77e7f9728bd3f.tar.bz2 px4-firmware-01be817c5993d635d382cd5664c77e7f9728bd3f.zip |
Allow N comparisons of a param value, returns success if one matches
Diffstat (limited to 'src')
-rw-r--r-- | src/systemcmds/param/param.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/src/systemcmds/param/param.c b/src/systemcmds/param/param.c index 40a9297a7..65f291f40 100644 --- a/src/systemcmds/param/param.c +++ b/src/systemcmds/param/param.c @@ -1,7 +1,6 @@ /**************************************************************************** * * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -63,7 +62,7 @@ static void do_import(const char* param_file_name); static void do_show(const char* search_string); static void do_show_print(void *arg, param_t param); static void do_set(const char* name, const char* val); -static void do_compare(const char* name, const char* val); +static void do_compare(const char* name, const char* vals[], unsigned comparisons); int param_main(int argc, char *argv[]) @@ -121,7 +120,7 @@ param_main(int argc, char *argv[]) if (!strcmp(argv[1], "compare")) { if (argc >= 4) { - do_compare(argv[2], argv[3]); + do_compare(argv[2], &argv[3], argc - 3); } else { errx(1, "not enough arguments.\nTry 'param compare PARAM_NAME 3'"); } @@ -306,7 +305,7 @@ do_set(const char* name, const char* val) } static void -do_compare(const char* name, const char* val) +do_compare(const char* name, const char* vals[], unsigned comparisons) { int32_t i; float f; @@ -330,12 +329,16 @@ do_compare(const char* name, const char* val) /* convert string */ char* end; - int j = strtol(val,&end,10); - if (i == j) { - printf(" %d: ", i); - ret = 0; - } + for (unsigned k = 0; k < comparisons; k++) { + + int j = strtol(vals[k],&end,10); + + if (i == j) { + printf(" %d: ", i); + ret = 0; + } + } } break; @@ -345,10 +348,14 @@ do_compare(const char* name, const char* val) /* convert string */ char* end; - float g = strtod(val, &end); - if (fabsf(f - g) < 1e-7f) { - printf(" %4.4f: ", (double)f); - ret = 0; + + for (unsigned k = 0; k < comparisons; k++) { + + float g = strtod(vals[k], &end); + if (fabsf(f - g) < 1e-7f) { + printf(" %4.4f: ", (double)f); + ret = 0; + } } } @@ -359,7 +366,7 @@ do_compare(const char* name, const char* val) } if (ret == 0) { - printf("%c %s: equal\n", + printf("%c %s: match\n", param_value_unsaved(param) ? '*' : (param_value_is_default(param) ? ' ' : '+'), param_name(param)); } |